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Evaluation of enhanced security solutions inIJNSA Journal
Traditionally, 802.11-based networks that relied on wired equivalent protocol (WEP) were especially
vulnerable to packet sniffing. Today, wireless networks are more prolific, and the monitoring devices used
to find them are mobile and easy to access. Securing wireless networks can be difficult because these
networks consist of radio transmitters and receivers, and anybody can listen, capture data and attempt to
compromise it. In recent years, a range of technologies and mechanisms have helped makes networking
more secure. This paper holistically evaluated various enhanced protocols proposed to solve WEP related
authentication, confidentiality and integrity problems. It discovered that strength of each solution depends
on how well the encryption, authentication and integrity techniques work. The work suggested using a
Defence-in-Depth Strategy and integration of biometric solution in 802.11i. Comprehensive in-depth
comparative analysis of each of the security mechanisms is driven by review of related work in WLAN
security solutions.
This document proposes using certificate authorities and elliptic curve cryptography to improve security in Zigbee wireless sensor networks. It summarizes Zigbee vulnerabilities like insecure key distribution and lack of key revocation. It then describes a proposed solution where a key distribution center uses ECC to establish session keys between nodes, improving security over the standard Zigbee approach. Finally, it recommends an innovative hybrid solution combining certificate authorities and ECC to further reduce vulnerabilities when nodes enter or exit large-scale IoT networks.
This document discusses using a hierarchical certificate authority with elliptic curve cryptography to improve security in ZigBee networks. It begins with an overview of the Internet of Things and wireless sensor networks. It then discusses ZigBee protocols and vulnerabilities in key distribution and management. The document proposes a solution using a hierarchical certificate authority to calculate, store, and distribute certificates with elliptic curve cryptography to nodes in the network. This is intended to provide a more secure, reliable, and scalable approach for authentication in 802.15.4 networks.
Authentication Mechanisms For Signature Based Cryptography By Using Hierarchi...Editor IJMTER
In this paper the signature of a person is taken as input which is encrypted using
hierarchical visual cryptography. By using HVC the input signature will be divided into four shares.
From that any three are taken to generate key share. Another fragmentation should handover to the
authenticated server. The authenticated server should maintain the generated key and fourth
fragmentation. Only the authorized user can be accessed. If the receiver identifies the fourth
fragmentation and decrypt they got message by using HVC. It is insecure process because anybody
can hack the decrypted message easily. For the secure process the authenticated server generate a
password while transferring a message. The authenticated person can only able to got that message.
The authenticated server checks whether the person should be authorized user or not, while starting
their conversation. It provides more security and challenged for the hackers.
Identity-Based Key Management in MANETs Using Public Key CryptographyCSCJournals
Wireless mobile Ad Hoc Networks (MANETs) are an emerging area of mobile computing. MANETs face serious security problems due to their unique characteristics such as mobility, dynamic topology and lack of central infrastructure support. In conventional networks, deploying a robust and reliable security scheme such as Public Key Infrastructure (PKI) requires a central authority or trusted third party to provide fundamental security services including digital certificates, authentication and encryption. In the proposed scheme, a secure identity-based key management scheme is proposed for networks in environments without any PKI. This scheme solved the security problem in the MANET and is suitable for application to other wired network structures
Mca5042 cryptography and network security (1)smumbahelp
Mail & call us at:-
Call us at : 08263069601
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“ help.mbaassignments@gmail.com ”
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An Efficient Scheme for Data Sharing Among Dynamic Cloud MembersIRJET Journal
The document proposes an efficient scheme for secure data sharing among dynamic cloud members. It aims to address key challenges in sharing private data in the cloud due to frequent changes in group membership. The proposed scheme uses techniques like elliptic curve cryptography to securely distribute private keys to users without relying on secure communication channels or certificate authorities. It also enables fine-grained access control and protects against collusion attacks where revoked users cannot access original data even by joining with third parties. The scheme achieves efficient dynamic operations to handle user additions and revocations without requiring key updates for other users.
4.report (cryptography & computer network)JIEMS Akkalkuwa
This document discusses network security and cryptography. It begins by defining network security and explaining the key areas of secrecy, authentication, non-repudiation, and integrity control. It then discusses what cryptography is, explaining that it uses mathematics to encrypt and decrypt data to provide security. The document provides an overview of symmetric and asymmetric key encryption techniques as well as hash functions. It also discusses some existing network security systems and their use of symmetric encryption with periodic key distribution and refresh.
Evaluation of enhanced security solutions inIJNSA Journal
Traditionally, 802.11-based networks that relied on wired equivalent protocol (WEP) were especially
vulnerable to packet sniffing. Today, wireless networks are more prolific, and the monitoring devices used
to find them are mobile and easy to access. Securing wireless networks can be difficult because these
networks consist of radio transmitters and receivers, and anybody can listen, capture data and attempt to
compromise it. In recent years, a range of technologies and mechanisms have helped makes networking
more secure. This paper holistically evaluated various enhanced protocols proposed to solve WEP related
authentication, confidentiality and integrity problems. It discovered that strength of each solution depends
on how well the encryption, authentication and integrity techniques work. The work suggested using a
Defence-in-Depth Strategy and integration of biometric solution in 802.11i. Comprehensive in-depth
comparative analysis of each of the security mechanisms is driven by review of related work in WLAN
security solutions.
This document proposes using certificate authorities and elliptic curve cryptography to improve security in Zigbee wireless sensor networks. It summarizes Zigbee vulnerabilities like insecure key distribution and lack of key revocation. It then describes a proposed solution where a key distribution center uses ECC to establish session keys between nodes, improving security over the standard Zigbee approach. Finally, it recommends an innovative hybrid solution combining certificate authorities and ECC to further reduce vulnerabilities when nodes enter or exit large-scale IoT networks.
This document discusses using a hierarchical certificate authority with elliptic curve cryptography to improve security in ZigBee networks. It begins with an overview of the Internet of Things and wireless sensor networks. It then discusses ZigBee protocols and vulnerabilities in key distribution and management. The document proposes a solution using a hierarchical certificate authority to calculate, store, and distribute certificates with elliptic curve cryptography to nodes in the network. This is intended to provide a more secure, reliable, and scalable approach for authentication in 802.15.4 networks.
Authentication Mechanisms For Signature Based Cryptography By Using Hierarchi...Editor IJMTER
In this paper the signature of a person is taken as input which is encrypted using
hierarchical visual cryptography. By using HVC the input signature will be divided into four shares.
From that any three are taken to generate key share. Another fragmentation should handover to the
authenticated server. The authenticated server should maintain the generated key and fourth
fragmentation. Only the authorized user can be accessed. If the receiver identifies the fourth
fragmentation and decrypt they got message by using HVC. It is insecure process because anybody
can hack the decrypted message easily. For the secure process the authenticated server generate a
password while transferring a message. The authenticated person can only able to got that message.
The authenticated server checks whether the person should be authorized user or not, while starting
their conversation. It provides more security and challenged for the hackers.
Identity-Based Key Management in MANETs Using Public Key CryptographyCSCJournals
Wireless mobile Ad Hoc Networks (MANETs) are an emerging area of mobile computing. MANETs face serious security problems due to their unique characteristics such as mobility, dynamic topology and lack of central infrastructure support. In conventional networks, deploying a robust and reliable security scheme such as Public Key Infrastructure (PKI) requires a central authority or trusted third party to provide fundamental security services including digital certificates, authentication and encryption. In the proposed scheme, a secure identity-based key management scheme is proposed for networks in environments without any PKI. This scheme solved the security problem in the MANET and is suitable for application to other wired network structures
Mca5042 cryptography and network security (1)smumbahelp
Mail & call us at:-
Call us at : 08263069601
Or
“ help.mbaassignments@gmail.com ”
To get fully solved assignments
Dear students, please send your semester & Specialization name here.
An Efficient Scheme for Data Sharing Among Dynamic Cloud MembersIRJET Journal
The document proposes an efficient scheme for secure data sharing among dynamic cloud members. It aims to address key challenges in sharing private data in the cloud due to frequent changes in group membership. The proposed scheme uses techniques like elliptic curve cryptography to securely distribute private keys to users without relying on secure communication channels or certificate authorities. It also enables fine-grained access control and protects against collusion attacks where revoked users cannot access original data even by joining with third parties. The scheme achieves efficient dynamic operations to handle user additions and revocations without requiring key updates for other users.
4.report (cryptography & computer network)JIEMS Akkalkuwa
This document discusses network security and cryptography. It begins by defining network security and explaining the key areas of secrecy, authentication, non-repudiation, and integrity control. It then discusses what cryptography is, explaining that it uses mathematics to encrypt and decrypt data to provide security. The document provides an overview of symmetric and asymmetric key encryption techniques as well as hash functions. It also discusses some existing network security systems and their use of symmetric encryption with periodic key distribution and refresh.
Systematic Review Automation in Cyber SecurityYogeshIJTSRD
Many aspects of cyber security are carried by automation systems and service applications. The initial steps of cyber chain mainly focus on different automation tools with almost same task objective. Automation operations are carried only after detail study on particular task pre engagement phase , the tool is going to perform, measurement of dataset handling of tool produced output. The algorithm is going to make use of after comparing the existing tools efficiency, the throughput time, output format for reusable input and mainly the resource’s consumption. In this paper we are going to study the existing methodology in application and system pen testing, automation tool’s efficiency over growing technology and their behaviour study on unintended platform assignment. Nitin | Dr. Lakshmi J. V. N "Systematic Review: Automation in Cyber Security" Published in International Journal of Trend in Scientific Research and Development (ijtsrd), ISSN: 2456-6470, Volume-5 | Issue-4 , June 2021, URL: https://www.ijtsrd.compapers/ijtsrd41315.pdf Paper URL: https://www.ijtsrd.comcomputer-science/computer-security/41315/systematic-review-automation-in-cyber-security/nitin
Title: What I Learned at Gartner Summit 2019
Abstract:
The Gartner Summit 2019 agenda featured five comprehensive programs to cover your security and risk management key priorities and challenges. Digital transformation continues to challenge the conventions of information risk and security management. It requires a coherent digital security program based on a clear vision and strategy. Businesses have been inundated with information on what recent privacy laws like GDPR and CCPA require, but many are still trying to figure out how to comply with them on a practical level.
The new Verizon Data Breach Investigations Report (DBIR) provides perspectives on how Criminals simply shift their focus and adapt their tactics to locate and steal the data they find to be of most value.
Gartner includes data ethics and privacy on their list of the top 10 strategic technology trends of 2019, placing it on the same level as AI-driven development, blockchain, and edge computing. Many companies are focusing on data privacy from the legal and security side, which are foundational, but are missing the focus on data.
The cloud, SaaS applications, and user mobility are powerful enablers of digital transformation, but many IT organizations are grappling with legacy network and security architectures that haven't evolved in decades. In the era of Cloud 3.0, companies are re-imagining business processes from and for the cloud. With these new opportunities comes a new cybersecurity reality for IT leaders in a hybrid, multicloud world. At a minimum, cloud computing breaks into 3 primary layers: SaaS, PaaS and IaaS.
This presentation will explain primary security controls. You’ll learn how to take a strategic approach to risk, improve business and data resilience, build digital trust and implement a new generation of continuously adaptive security strategies. Cloud security remains a top priority. This presentation summarizes the problems, recommended processes, and new product types to address key issues.
Developed security and privacy algorithms for cyber physical system IJECEIAES
Cyber-physical system (CPS) is a modern technology in the cyber world, and it integrates with wireless sensor network (WSN). This system is widely used in many applications such as a smart city, greenhouse, healthcare, and power grid. Therefore, the data security and integrity are necessary to ensure the highest level of protection and performance for such systems. In this paper, two sides security system for cyber-physical level is proposed to obtain security, privacy, and integrity. The first side is applied the secure sockets layer (SSL)/transport layer security (TLS) encryption protocol with the internet of things (IoT) based message queuing telemetry transport (MQTT) protocol to secure the connection and encrypt the data exchange between the system's parties. The second side proposes an algorithm to detect and prevent a denial of service (DoS) attack (hypertext transfer protocol (HTTP) post request) on a Web server. The experiment results show the superior performance of the proposed method to secure the CPS by detecting and preventing the cyber-attacks, which infect the Web servers. They also prove the implementation of security, privacy and integrity aspects on the CPS.
Emerging Data Privacy and Security for CloudUlf Mattsson
Title "Emerging Data Privacy and Security for Cloud"
Abstract:
Personal data privacy will be the most prominent issue affecting how businesses gather, store, process, and disclose data in public cloud. Gartner includes data ethics and privacy on their list of the top 10 strategic technology trends of 2019, placing it on the same level as AI-driven development, blockchain, and edge computing. Businesses have been inundated with information on what recent privacy laws like GDPR and CCPA require, but many are still trying to figure out how to comply with them on a practical level. Many companies are focusing on data privacy from the legal and security side, which are foundational, but are missing the focus on data. The good news is that these data privacy regulations compel businesses to get a handle on personal data — how they get it, where they get it from, which systems process it, where it goes internally and externally, etc. In other words, the new norms of data privacy require proactive data management, which enables organizations to extract real business value from their data, improve the customer experience, streamline internal processes, and better understand their customers.
Companies continue to transition to more costefficient cloud-based solutions, their email and other valuable data migrate along with them. The new Verizon Data Breach Investigations Report (DBIR) provides perspectives on how Criminals simply shift their focus and adapt their tactics to locate and steal the data they find to be of most value.
Differential privacy, Tokenization, Homomorphic encryption, and Privacy-preserving computation are often discussed in the context of identifying individuals whose information may be in a database. Secure multi-party computation (also known as secure computation, multi-party computation (MPC), or privacy-preserving computation) is a subfield of cryptography with the goal of creating methods for parties to jointly compute a function over their inputs while keeping those inputs private.
We will discuss how these emerging data privacy technologies can limit the privacy impact on individuals whose information is in a database. Let’s break down the differences and see where these techniques fit best in an organization’s security and privacy strategy and align with privacy law requirements.
You will learn
- The latest trends and strategies for securing sensitive data in cloud and the enterprise
- How to discover and capture your data inventory
- What’s needed to prevent a data breach by securing your critical data and protect your reputation
Solving Downgrade and DoS Attack Due to the Four Ways Handshake Vulnerabiliti...Dr. Amarjeet Singh
The growing volume of attacks on the Internet has
increased the demand for more robust systems and
sophisticated tools for vulnerability analysis, intrusion
detection, forensic investigations, and possible responses.
Current hacker tools and technologies warrant reengineering
to address cyber crime and homeland security. The being
aware of the flaws on a network is necessary to secure the
information infrastructure by gathering network topology,
intelligence, internal/external vulnerability analysis, and
penetration testing. This paper has as main objective to
minimize damages and preventing the attackers from
exploiting weaknesses and vulnerabilities in the 4 ways
handshake (WIFI).
We equally present a detail study on various attacks and
some solutions to avoid or prevent such attacks in WLAN.
Secure Data Sharing Algorithm for Data Retrieval In Military Based NetworksIJTET Journal
Abstract— Mobile knots now armed atmospheres such equally battlefield or aggressive area remain expected toward smart after irregular net connectivity and regular panels. Disruption Tolerant Network (DTN) tools stay attractive positive keys that agree knots toward connect with each other in these dangerous interacting atmospheres.The problem of applying the security mechanisms to DTN introduces several security challenges.Since nearly handlers could modification their related characteristics by approximately argument and reliability of data should be changed otherwise around isolated secrets power remain bargained significant reversal aimed at respectively characteristic is essential in command toward create organisms safe in this research a novel approaches are used to overcome the above mentioned problems called secure data sharing algorithm. This algorithm calculate hash importance aimed at coded documents which is used to check the reliability of encrypted confidential data.
This document provides an overview of a university course on Cryptography and Network Security. It begins with the course syllabus, which outlines topics like security concepts, cryptography concepts and techniques, and types of security attacks. It then discusses key security concepts such as security services, security mechanisms, security attacks, and models for network and access security. It provides examples of security services like authentication, access control, and data confidentiality. It also describes security mechanisms and different classes of security attacks. The document concludes by listing reference books, online videos, related courses, tutorials, and sample multiple choice and problems related to cryptography and network security.
This document discusses enhancing security through token generation in a distributed environment. It proposes a new token generation scheme to encrypt user data with specified key parameters, making resources more robust. The token generation scheme would add security for both authentication and authorization. Existing algorithms focus on encrypting data on the user side, which incurs high computational and communication costs. The document suggests a token generation algorithm for distributed data files that provides secure and dependable server storage while maintaining low overhead. It analyzes related work on token-based authentication and security techniques to provide context.
secure data retrieval for decentralized disruption-tolerant military networksSneha Joshi
DTN technologies allow wireless devices carried by soldiers to communicate and access information reliably using external storage nodes. CP-ABE provides scalable encryption such that encryptors define the attributes needed for decryption, allowing different access policies. The proposed system uses CP-ABE for secure data retrieval in decentralized DTNs, resolving key escrow problems by having multiple independent key authorities manage attributes. Fine-grained key revocation is enabled for each attribute group. This mechanism securely and efficiently manages confidential data distribution in disruption-tolerant military networks.
Secure data retrieval for decentralized disruption tolerant military networksLeMeniz Infotech
Secure data retrieval for decentralized disruption tolerant military networks
Mobile nodes in military environments such as a battlefield or a hostile region are likely to suffer from intermittent network connectivity and frequent partitions. Disruption-tolerant network (DTN) technologies are becoming successful solutions that allow wireless devices carried by soldiers to communicate with each other and access the confidential information or command reliably by exploiting external storage nodes.
IRJET- Secure Data Sharing in Cloud Computing using Revocable Storage Identit...IRJET Journal
This document proposes a secure data sharing system in cloud computing using revocable storage identity-based encryption (RS-IBE). It begins with an abstract that describes challenges with securing data shared in the cloud. It then discusses existing systems that use IBE but lack flexibility and security when user permissions are revoked. The proposed system uses RS-IBE to build a data sharing framework that satisfies security objectives of data secrecy, backward secrecy, and forward secrecy. It provides formal definitions for RS-IBE and its security model. The proposed scheme is shown to provide confidentiality and reverse/forward secrecy simultaneously, while withstanding decryption key exposure.
Identity based proxy-oriented data uploading and remote data integrity checki...Finalyearprojects Toall
The document discusses an identity-based proxy-oriented data uploading and remote data integrity checking model called IDPUIC. It proposes allowing clients to delegate proxies to upload and process data when clients cannot directly access public cloud servers. It also addresses remote data integrity checking, which allows clients to check if their outsourced data remains intact without downloading the whole data. The document then provides a formal definition, system model, and security model for IDPUIC before describing an efficient and flexible IDPUIC protocol based on bilinear pairings that is provably secure based on the computational Diffie-Hellman problem.
Gartner report on Cisco TrustSec assessing technical components, interoperability considerations, Cisco’s progress in implementing support across product lines and customer deployment experiences.
To Get any Project for CSE, IT ECE, EEE Contact Me @ 09666155510, 09849539085 or mail us - ieeefinalsemprojects@gmail.com-Visit Our Website: www.finalyearprojects.org
Implementing a Secure and Effective PKI on Windows Server 2012 R2Frank Lesniak
The infrastructure that deploys and manages digital certificates, known as a Public Key Infrastructure (PKI), is often the center for cryptography in an organization. It is also in service for 10+ years, which means that one must carefully consider design options before implementation. In this presentation, Frank will cover modern standards for cryptography, how they apply to a Microsoft PKI infrastructure, and share recommendations based on he has seen in the field.
COST-EFFECTIVE AUTHENTIC AND ANONYMOUS DATA SHARING WITH FORWARD SECURITYNexgen Technology
This document discusses cost-effective and anonymous data sharing using forward secure identity-based ring signatures. It proposes a new notion of forward secure ID-based ring signatures that allow ID-based ring signature schemes to provide forward security. This is the first scheme to provide this feature for ring signatures in an ID-based setting. The scheme provides unconditional anonymity and can be proven to be forward-securely unforgeable in the random oracle model under the RSA assumption. It is efficient, requiring only one exponentiation for key updates and no pairings. This scheme enables authentic and anonymous data sharing in large-scale systems like smart grids.
This document discusses the need for adopting an industry standard network security architecture model to improve security without unnecessary complexity. It outlines the evolution of typical network architectures from closed to increasingly open and exposed. This has introduced new threats that cannot be addressed by isolated security solutions alone. The document advocates aligning security controls according to well-defined architectural principles and business needs, and properly managing the integrated system as a whole.
JPJ1435 Secure Data Retrieval For Decentralized Disruption-Tolerant Militar...chennaijp
We are good IEEE java projects development center in Chennai and Pondicherry. We guided advanced java technologies projects of cloud computing, data mining, Secure Computing, Networking, Parallel & Distributed Systems, Mobile Computing and Service Computing (Web Service).
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IDENTITY-BASED PROXY-ORIENTED DATA UPLOADING AND REMOTE DATA INTEGRITY CHECKI...Nexgen Technology
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NEXGEN TECHNOLOGY provides total software solutions to its customers. Apsys works closely with the customers to identify their business processes for computerization and help them implement state-of-the-art solutions. By identifying and enhancing their processes through information technology solutions. NEXGEN TECHNOLOGY help it customers optimally use their resources.
This document discusses several topics related to cyber security including:
1. Windows security features such as User Account Control, BitLocker Drive Encryption, and Windows Firewall.
2. Network security challenges such as verifying user identity, protecting against DDoS attacks, and securing web applications.
3. Limitations of today's security solutions and how the modern workplace has increased risks from factors like telecommuting and use of mobile devices.
4. Types of internet security protocols and cryptography techniques as well as common forms of malicious software like viruses, worms, and trojan horses.
ICC's unified IP data networking solution also layers into its solution security features with a range of capabilities for the customer to select from. Inclusive of WDS, VLANs, DoS attack prevention, and a host of other capabilities, ICC's icXchange networking solutions are full features without additional licensing for enterprise features.
Systematic Review Automation in Cyber SecurityYogeshIJTSRD
Many aspects of cyber security are carried by automation systems and service applications. The initial steps of cyber chain mainly focus on different automation tools with almost same task objective. Automation operations are carried only after detail study on particular task pre engagement phase , the tool is going to perform, measurement of dataset handling of tool produced output. The algorithm is going to make use of after comparing the existing tools efficiency, the throughput time, output format for reusable input and mainly the resource’s consumption. In this paper we are going to study the existing methodology in application and system pen testing, automation tool’s efficiency over growing technology and their behaviour study on unintended platform assignment. Nitin | Dr. Lakshmi J. V. N "Systematic Review: Automation in Cyber Security" Published in International Journal of Trend in Scientific Research and Development (ijtsrd), ISSN: 2456-6470, Volume-5 | Issue-4 , June 2021, URL: https://www.ijtsrd.compapers/ijtsrd41315.pdf Paper URL: https://www.ijtsrd.comcomputer-science/computer-security/41315/systematic-review-automation-in-cyber-security/nitin
Title: What I Learned at Gartner Summit 2019
Abstract:
The Gartner Summit 2019 agenda featured five comprehensive programs to cover your security and risk management key priorities and challenges. Digital transformation continues to challenge the conventions of information risk and security management. It requires a coherent digital security program based on a clear vision and strategy. Businesses have been inundated with information on what recent privacy laws like GDPR and CCPA require, but many are still trying to figure out how to comply with them on a practical level.
The new Verizon Data Breach Investigations Report (DBIR) provides perspectives on how Criminals simply shift their focus and adapt their tactics to locate and steal the data they find to be of most value.
Gartner includes data ethics and privacy on their list of the top 10 strategic technology trends of 2019, placing it on the same level as AI-driven development, blockchain, and edge computing. Many companies are focusing on data privacy from the legal and security side, which are foundational, but are missing the focus on data.
The cloud, SaaS applications, and user mobility are powerful enablers of digital transformation, but many IT organizations are grappling with legacy network and security architectures that haven't evolved in decades. In the era of Cloud 3.0, companies are re-imagining business processes from and for the cloud. With these new opportunities comes a new cybersecurity reality for IT leaders in a hybrid, multicloud world. At a minimum, cloud computing breaks into 3 primary layers: SaaS, PaaS and IaaS.
This presentation will explain primary security controls. You’ll learn how to take a strategic approach to risk, improve business and data resilience, build digital trust and implement a new generation of continuously adaptive security strategies. Cloud security remains a top priority. This presentation summarizes the problems, recommended processes, and new product types to address key issues.
Developed security and privacy algorithms for cyber physical system IJECEIAES
Cyber-physical system (CPS) is a modern technology in the cyber world, and it integrates with wireless sensor network (WSN). This system is widely used in many applications such as a smart city, greenhouse, healthcare, and power grid. Therefore, the data security and integrity are necessary to ensure the highest level of protection and performance for such systems. In this paper, two sides security system for cyber-physical level is proposed to obtain security, privacy, and integrity. The first side is applied the secure sockets layer (SSL)/transport layer security (TLS) encryption protocol with the internet of things (IoT) based message queuing telemetry transport (MQTT) protocol to secure the connection and encrypt the data exchange between the system's parties. The second side proposes an algorithm to detect and prevent a denial of service (DoS) attack (hypertext transfer protocol (HTTP) post request) on a Web server. The experiment results show the superior performance of the proposed method to secure the CPS by detecting and preventing the cyber-attacks, which infect the Web servers. They also prove the implementation of security, privacy and integrity aspects on the CPS.
Emerging Data Privacy and Security for CloudUlf Mattsson
Title "Emerging Data Privacy and Security for Cloud"
Abstract:
Personal data privacy will be the most prominent issue affecting how businesses gather, store, process, and disclose data in public cloud. Gartner includes data ethics and privacy on their list of the top 10 strategic technology trends of 2019, placing it on the same level as AI-driven development, blockchain, and edge computing. Businesses have been inundated with information on what recent privacy laws like GDPR and CCPA require, but many are still trying to figure out how to comply with them on a practical level. Many companies are focusing on data privacy from the legal and security side, which are foundational, but are missing the focus on data. The good news is that these data privacy regulations compel businesses to get a handle on personal data — how they get it, where they get it from, which systems process it, where it goes internally and externally, etc. In other words, the new norms of data privacy require proactive data management, which enables organizations to extract real business value from their data, improve the customer experience, streamline internal processes, and better understand their customers.
Companies continue to transition to more costefficient cloud-based solutions, their email and other valuable data migrate along with them. The new Verizon Data Breach Investigations Report (DBIR) provides perspectives on how Criminals simply shift their focus and adapt their tactics to locate and steal the data they find to be of most value.
Differential privacy, Tokenization, Homomorphic encryption, and Privacy-preserving computation are often discussed in the context of identifying individuals whose information may be in a database. Secure multi-party computation (also known as secure computation, multi-party computation (MPC), or privacy-preserving computation) is a subfield of cryptography with the goal of creating methods for parties to jointly compute a function over their inputs while keeping those inputs private.
We will discuss how these emerging data privacy technologies can limit the privacy impact on individuals whose information is in a database. Let’s break down the differences and see where these techniques fit best in an organization’s security and privacy strategy and align with privacy law requirements.
You will learn
- The latest trends and strategies for securing sensitive data in cloud and the enterprise
- How to discover and capture your data inventory
- What’s needed to prevent a data breach by securing your critical data and protect your reputation
Solving Downgrade and DoS Attack Due to the Four Ways Handshake Vulnerabiliti...Dr. Amarjeet Singh
The growing volume of attacks on the Internet has
increased the demand for more robust systems and
sophisticated tools for vulnerability analysis, intrusion
detection, forensic investigations, and possible responses.
Current hacker tools and technologies warrant reengineering
to address cyber crime and homeland security. The being
aware of the flaws on a network is necessary to secure the
information infrastructure by gathering network topology,
intelligence, internal/external vulnerability analysis, and
penetration testing. This paper has as main objective to
minimize damages and preventing the attackers from
exploiting weaknesses and vulnerabilities in the 4 ways
handshake (WIFI).
We equally present a detail study on various attacks and
some solutions to avoid or prevent such attacks in WLAN.
Secure Data Sharing Algorithm for Data Retrieval In Military Based NetworksIJTET Journal
Abstract— Mobile knots now armed atmospheres such equally battlefield or aggressive area remain expected toward smart after irregular net connectivity and regular panels. Disruption Tolerant Network (DTN) tools stay attractive positive keys that agree knots toward connect with each other in these dangerous interacting atmospheres.The problem of applying the security mechanisms to DTN introduces several security challenges.Since nearly handlers could modification their related characteristics by approximately argument and reliability of data should be changed otherwise around isolated secrets power remain bargained significant reversal aimed at respectively characteristic is essential in command toward create organisms safe in this research a novel approaches are used to overcome the above mentioned problems called secure data sharing algorithm. This algorithm calculate hash importance aimed at coded documents which is used to check the reliability of encrypted confidential data.
This document provides an overview of a university course on Cryptography and Network Security. It begins with the course syllabus, which outlines topics like security concepts, cryptography concepts and techniques, and types of security attacks. It then discusses key security concepts such as security services, security mechanisms, security attacks, and models for network and access security. It provides examples of security services like authentication, access control, and data confidentiality. It also describes security mechanisms and different classes of security attacks. The document concludes by listing reference books, online videos, related courses, tutorials, and sample multiple choice and problems related to cryptography and network security.
This document discusses enhancing security through token generation in a distributed environment. It proposes a new token generation scheme to encrypt user data with specified key parameters, making resources more robust. The token generation scheme would add security for both authentication and authorization. Existing algorithms focus on encrypting data on the user side, which incurs high computational and communication costs. The document suggests a token generation algorithm for distributed data files that provides secure and dependable server storage while maintaining low overhead. It analyzes related work on token-based authentication and security techniques to provide context.
secure data retrieval for decentralized disruption-tolerant military networksSneha Joshi
DTN technologies allow wireless devices carried by soldiers to communicate and access information reliably using external storage nodes. CP-ABE provides scalable encryption such that encryptors define the attributes needed for decryption, allowing different access policies. The proposed system uses CP-ABE for secure data retrieval in decentralized DTNs, resolving key escrow problems by having multiple independent key authorities manage attributes. Fine-grained key revocation is enabled for each attribute group. This mechanism securely and efficiently manages confidential data distribution in disruption-tolerant military networks.
Secure data retrieval for decentralized disruption tolerant military networksLeMeniz Infotech
Secure data retrieval for decentralized disruption tolerant military networks
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Gartner report on Cisco TrustSec assessing technical components, interoperability considerations, Cisco’s progress in implementing support across product lines and customer deployment experiences.
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JPJ1435 Secure Data Retrieval For Decentralized Disruption-Tolerant Militar...chennaijp
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This document discusses several topics related to cyber security including:
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ICC's security philosophy is based on creating multiple layers of security to make hacking financially unwise. This includes edge devices with built-in firewalls and intrusion detection, controller-based aggregation layers with authentication, encryption, and advanced routing options, and broadband connectivity using military-grade encryption. The solution helps customers maintain PCI compliance by providing wireless scanning, rogue access point detection and mitigation, wireless usage enforcement, and network segmentation.
Mca5042 cryptography and network securitysmumbahelp
This document provides information about obtaining fully solved SMU MBA Spring 2014 assignments. It provides contact information for a mail ID and phone number to send your semester and specialization name to receive assignments. It also includes an example assignment for the subject MCA5010 - Web Technology. The assignment includes 6 questions on topics like encryption algorithms, security models, IP security, and firewall types. Students are to send their details to the provided contact information to get assistance with solved assignments.
Didiet Kusumadihardja - Cybersecurity Consultant Portfolio. Qualification, affiliation, list of services offered and related experience. Language: English.
The document discusses Cisco's Self-Defending Network (CSDN) security solution. The CSDN uses various Cisco components like firewalls, intrusion detection systems, and authentication servers that work together to secure the network. It aims to provide end-to-end visibility of security events and adapt to threats. Standards like Network Admission Control are also important to CSDN. While an integrated solution, fully implementing and maintaining CSDN is challenging and expensive.
It’s the difference between doing thousands of tasks manually and having an automated system that helps you focus on business goals. The advent of big data and analytics helps to enable better real-time decision making, automation, and efficiencies necessary to deliver such digitalized applications. Cisco DNA automation and assurance are built on a software-defined networking (SDN) controller, rich contextual analytics, network virtualization and the cloud.
Security policy enforcement in cloud infrastructurecsandit
This document proposes an architecture for implementing security in cloud computing systems, particularly for Infrastructure-as-a-Service (IaaS) and Platform-as-a-Service (PaaS) models. It discusses key security issues like confidentiality, integrity, and authentication in cloud systems. It then proposes a framework that incorporates solutions like homomorphic encryption to ensure confidentiality while still allowing data processing, as well as using standards like XACML for flexible policy-based access control and authentication. The goal is to provide an integrated security solution as a service for cloud platforms.
SECURITY POLICY ENFORCEMENT IN CLOUD INFRASTRUCTUREcscpconf
The document proposes an architecture for implementing security in cloud computing systems, particularly for Infrastructure-as-a-Service (IaaS) and Platform-as-a-Service (PaaS) models. The key aspects of the proposed architecture are:
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2. It presents security as a service that allows on-demand use of security components like encryption and access control based on application or user requirements.
3. It provides an example of how the security-as-a-service model could be applied to an e-health
Securing the Future Safeguarding 5G Networks with Advanced Security Solutions...SecurityGen1
With the advent of 5G technology, the complexity of network security has increased exponentially. To address this challenge, specialized 5G security services have emerged to provide tailored solutions to protect your network infrastructure. These services encompass a range of offerings, including threat intelligence, risk assessment, firewall management, intrusion detection, and incident response. 5G security services go beyond traditional security measures, taking into account the unique characteristics of 5G networks such as virtualization, network slicing, and edge computing.
The document provides an overview of network security concepts. It describes the current network security landscape, including that networks are routinely under attack. It then covers different network topologies like campus area networks, small office networks, wide area networks, data centers, and cloud networks. It explains how each uses tools like firewalls, intrusion prevention systems, and virtual private networks to implement defense-in-depth security strategies. The document also addresses evolving security challenges from new technologies like virtualization, cloud computing and bring your own device initiatives.
Cisco Cyber Threat Defense for the Data Center Solution: Cisco Validated DesignCisco Russia
This document provides a 3-sentence summary of a 14-page document describing the Cisco Cyber Threat Defense for the Data Center Solution:
The solution uses NetFlow from Cisco switches and devices to provide visibility into data center network traffic. The Lancope StealthWatch System collects and analyzes NetFlow data to detect suspicious activity, while the Cisco Identity Services Engine provides user identity and security group information for context. The overall solution gives security operators enhanced visibility and context to detect threats already operating in the internal network or data center.
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The document provides security practices and protocols for protecting 5G networks against threat vectors. It discusses business and organizational challenges, including aligning security with business objectives. It also covers technical considerations like threats specific to 5G architectures and reusing older technologies in 5G. General recommendations include taking a holistic inspection, detection and protection approach to securing networks.
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Information Technology Security Is Vital For The Success...Brianna Johnson
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Vskills certification for Network Security Professional assesses the candidate for a company’s network security needs. The certification tests the candidates on various areas in network security which includes knowledge of networking, cryptography, implementation and management of network security measures.
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Mca5042 cryptography and network security
1. Dear students get fully solved assignments
Send your semester & Specialization name to our mail id :
“ help.mbaassignments@gmail.com ”
or
Call us at : 08263069601
[ WINTER, 2015 ] ASSIGNMENT
PROGRAM MCA(REVISED FALL 2012)
SEMESTER V
SUBJECT CODE & NAME MCA5042- Cryptography and Network Security
CREDIT 4
BK ID B2069
MAX. MARKS 60
Answer all the Questions
Question.1. Define computer security. Explain the important objectives of computer security.
Answer:Computer security, also known as cybersecurity or IT security, is the protection of
informationsystemsfromtheftordamage tothe hardware,the software,andtothe information on
them,as well asfromdisruptionormisdirectionof the services they provide. It includes controlling
physical access to the hardware, as well as protecting against harm that may come via network
access, data and code injection,and due to malpractice by operators, whether intentional,
accidental, or due to them being tricked into deviating from secure procedures.
The field is of growing importance due to the
Question.2. Explain Feistel Cipher.
Answer:In cryptography, a Feistel cipher is a symmetric structure used in the construction of block
ciphers,namedafterthe German-bornphysicistandcryptographerHorstFeistel whodidpioneering
research while working for IBM (USA); it is also commonly known as a Feistel network. A large
proportion of block ciphers use the scheme, including the Data Encryption Standard (DES). The
Feistel structure hasthe advantage thatencryptionanddecryptionoperationsare verysimilar, even
identical insome cases,requiringonlyareversal of the keyschedule.Therefore the size of the code
or circuitry required to implement such a
Question.3. Explain the following.
(a) Asymmetric Keys
Answer:Anasymmetricalgorithm, asoutlinedinthe Diffie-Hellmanpaper, is a trap door or one-way
function. Sucha functionis easy to perform in one direction, but difficult or impossible to reverse.
2. For example,itiseasytocompute the productof twogivennumbers,butitiscomputationallymuch
harder to find the two factors given only their product. Given both the product and one of the
(b) Public Key Certificate
Answer:Asymmetriccryptographyorpublic-keycryptographyiscryptographyinwhicha pair of keys
isusedto encryptand decrypta message sothat itarrivessecurely.Initially,anetworkuserreceives
a public and private key pair from a certificate authority. Any other user who wants to send an
encrypted
(c) Public Key (Asymmetric) Cryptographic Algorithm
Answer:Public-key cryptography refers to a set of cryptographic algorithms that are based on
mathematical problems that currently admit no efficient solution -- particularly those inherent in
certainintegerfactorization,discretelogarithm, andellipticcurve relationships.Itiscomputationally
easy for a user to
(d) Public Key Infrastructure (PKI)
Answer:A public key infrastructure (PKI) is a set of hardware, software, people, policies, and
procedures needed to create, manage, distribute, use, store, and revoke digital certificates and
manage
Question.4. (a) Explain digital signature.
Answer: A digital signature isamathematical scheme fordemonstratingthe authenticity of a digital
message ordocuments.A validdigital signaturegivesarecipientreasontobelieve that the message
was created by a known sender, that the sender cannot deny having sent the message
(authentication and non-repudiation), and that the message was not altered in transit (integrity).
Digital signaturesare commonlyused for software distribution, financial transactions, and in other
cases where it is important to detect forgery or tampering.
(b) Explain the different types of attacks on digital signatures.
Answer:In their foundational paper, Goldwasser, Micali, and Rivest lay out a hierarchy of attack
models against digital signatures:
In a key-only attack, the attacker is only given the public verification key.
In a known message attack, the attacker is given valid signatures for a variety of messages
known by the attacker but not chosen by the attacker.
3. In an adaptive chosen
Question.5. Explain the Benefits of IP security.
Answer:Internet Protocol Security (IPSec) is a framework of open standards for ensuring private,
secure communications over Internet Protocol (IP) networks, through the use of cryptographic
securityservices.IPSec is a suite of cryptography-based protection services and security protocols.
Because it requires no changes to programs or protocols, you can easily deploy IPSec for existing
networks.
The driving force for the acceptance and deployment of secure IP is the need for business and
government users to connect their
Question.6. Define the following terms used in the IEEE 802.11 standard.
(a) Access point (AP)
Answer:In computer networking, a wireless access point (WAP) is a networking hardware device
that allowswirelessdevicestoconnecttoa wirednetworkusingWi-Fi, or related standards. The AP
usually connects to a router (via a wired network) as a standalone device, but it can also be an
integral componentof the routeritself.AnAPisdifferentiatedfrom a hotspot, which is the physical
space where
(b) Basic service set (BSS)
Answer: Basic Service Set is a component of the IEEE 802.11 WLAN architecture. This network
architecture isbuiltarounda BasicService Set (BSS), which is actually a set of STAs (the component
that connects to the wireless medium such as a network adapter or NIC) that communicate with
each other. When one access
(c) Coordination function
Answer:Distributed coordination function (DCF) is the fundamental MAC technique of the IEEE
802.11 basedWLAN standard.DCFemploys a CSMA/CA with binary exponential backoff algorithm.
DCF
(d) Distribution system (DS)
Answer:A wirelessdistribution system (WDS) is a system enabling the wireless interconnection of
access pointsinanIEEE 802.11 network.Itallowsawirelessnetworktobe expanded using multiple
access points
(e) Extended service set (ESS)
4. Answer:An extended service set (ESS) is one or more interconnected basic service sets (BSSs) and
their associated
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