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Auditing IT Infrastructures for Compliance Chapter 11 Compliance Within the LAN-to-WAN Domain

Auditing IT Infrastructures for Compliance Chapter 11 Compliance Within the LAN-to-WAN Domain. Learning Objective. Use an appropriate framework to implement ISS compliance within the LAN-to-WAN Domain. Key Concepts. Compliance law requirements and business drivers for the LAN-to-WAN Domain

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Auditing IT Infrastructures for Compliance Chapter 11 Compliance Within the LAN-to-WAN Domain

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  1. Auditing IT Infrastructures for Compliance Chapter 11 Compliance Within theLAN-to-WAN Domain

  2. Learning Objective • Use an appropriate framework to implement ISS compliance within the LAN-to-WAN Domain.

  3. Key Concepts • Compliance law requirements and business drivers for the LAN-to-WAN Domain • Devices and access controls for the LAN-to-WAN Domain and steps to maximize A-I-C • Policies, standards, procedures, and guidelines in the LAN-to-WAN Domain • Vulnerability management in the LAN-to-WAN Domain • Best practices for LAN-to-WAN Domain compliance requirements

  4. DISCOVER: CONCEPTS

  5. LAN-to-WAN Domain

  6. Business Drivers and Compliance • Protecting data privacy • Implementing proper security controls for the LAN-to-WAN Domain • Ensuring availability of Internet Service Provider (ISP) connection and backup connection • Security policy that includes compliance • Controls to support security policy

  7. LAN-to-WAN Domain Devices and Access Controls • Router • Firewall • Proxy server • Demilitarized zone (DMZ) • Intrusion Detection System (IDS)/Intrusion Prevention System (IPS) • Data leakage security appliance • Web content filtering device • Traffic-monitoring device

  8. LAN-to-WAN Domain Devices in Context Internet is WAN

  9. LAN-to-WAN Domain Devices in Context

  10. IT Security Framework

  11. DISCOVER: PROCESS

  12. A-I-C Triad

  13. Maximizing LAN-to-WAN Domain A-I-C • Minimizing single points of failure • Using dual-homed ISP connections • Using redundant and alternate ISP connections • Deploying redundant routers and firewalls • Backing up Web server data • Using VPNs for remote access to organizational systems and data

  14. Maximizing LAN-to-WAN Domain A-I-C ISP connection represents a single point of failure.

  15. Maximizing LAN-to-WAN Domain A-I-C Multiple ISP connections avoid a single point of failure.

  16. Vulnerability Management

  17. DISCOVER: CONTEXTS

  18. FCAPS

  19. DISCOVER: RATIONALE

  20. Best Practices for LAN-to-WAN Domain Compliance • Map your proposed LAN-to-WAN architecture before installing any hardware. Use one of the several available network-mapping software products to make the process easier. • Identify all of the components’ data paths through the domain. Use the map to identify any single points of failure. • Update the network map any time you make physical changes to your network.

  21. Summary • Compliance requirements and business drivers for the LAN-to-WAN Domain • Devices and access controls • An IT security framework • Maximizing A-I-C in the LAN-to-WAN Domain • Best practices for the LAN-to-WAN Domain

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