Preventing or mitigating communication network attacks
by M. L. Srinivasan
CISSP in 21 Days - Second Edition
- CISSP in 21 Days Second Edition
- CISSP in 21 Days Second Edition
- Credits
- About the Author
- About the Reviewer
- www.PacktPub.com
- Preface
- 1. Day 1 – Security and Risk Management - Security, Compliance, and Policies
- 2. Day 2 – Security and Risk Management - Risk Management, Business Continuity, and Security Education
- 3. Day 3 – Asset Security - Information and Asset Classification
- 4. Day 4 – Asset Security - Data Security Controls and Handling
- 5. Day 5 – Exam Cram and Practice Questions
- 6. Day 6 – Security Engineering - Security Design, Practices, Models, and Vulnerability Mitigation
- 7. Day 7 – Security Engineering - Cryptography
- 8. Day 8 – Communication and Network Security - Network Security
- An overview of communication and network security
- Network architecture, protocols, and technologies
- Open System Interconnect (OSI) model
- OSI layers and security
- Application layer protocols and security
- Presentation layer protocols and security
- Summary
- Sample questions
- 9. Day 9 – Communication and Network Security - Communication Security
- An overview of communication security
- Security in communication channels
- Attacks on communication networks
- Preventing or mitigating communication network attacks
- Summary
- Sample questions
- 10. Day 10 – Exam Cram and Practice Questions
- 11. Day 11 – Identity and Access Management - Identity Management
- 12. Day 12 – Identity and Access Management - Access Management, Provisioning, and Attacks
- 13. Day 13 – Security Assessment and Testing - Designing, Performing Security Assessment, and Tests
- An overview of security assessment and testing
- Security assessment and test strategies
- Security controls
- Summary
- Sample questions
- 14. Day 14 – Security Assessment and Testing - Controlling, Analyzing, Auditing, and Reporting
- 15. Day 15 – Exam Cram and Practice Questions
- 16. Day 16 – Security Operations - Foundational Concepts
- An overview of operations security
- The physical security design
- Physical and operations security controls
- Operations/facility security
- Protecting and securing equipment
- Computer investigations
- Summary
- Sample questions
- 17. Day 17 – Security Operations - Incident Management and Disaster Recovery
- 18. Day 18 – Software Development Security - Security in Software Development Life Cycle
- 19. Day 19 – Software Development Security - Assessing effectiveness of Software Security
- 20. Day 20 – Exam Cram and Practice Questions
- 21. Day 21 – Exam Cram and Mock Test
Security services for communication networks should take into consideration the following security services for preventing and mitigating attacks:
- Authentication
- Access control
- Non-repudiation
- Confidentiality
- Integrity
- Key management
Some of the common security controls used in the communication networks include the following:
- HTTP digest authentication: In the digest authentication, there are two request/response pairs to enhance the authentication security.
- Secure Multipurpose Internet Mail Extensions (S/MIME): This provides extensions for using public key cryptography for encryption and signing messages, thereby enhancing the security.
- Secure Real Time Protocol (SRTP): This protocol provides security functions such as encryption, message authentication, integrity, and replay protection to Real Time Transport protocol (RTP).
- Transmission Layer Security (TLS) (covered earlier in this chapter).
- Internet Protocol Security (IPSec) (covered earlier in this chapter).
- Authenticated Identity Body (AIB): This method is generally used in Session Initiation Protocols (SIP), and allows authenticated identity to be shared across the network.
- Authenticated Identity Management (AIM).
- Stateful Firewall: This is a firewall that dynamically inspects the packets. To allow/disallow the packets is called stateful.
- Network Address Translation (NAT) ) (covered earlier in this chapter).
- Application Level Gateways (ALG): These are Gateway applications that work in the firewall and act as an application proxy.
- Session Border Controllers (SBC): This provides controls for Voice Over IP (VOIP) communications.
- Virtual Private Networks (VPN) ) (covered earlier in this chapter).
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