CISSP Domain 4 — Communication & Network Security

4.3 Implement Secure Communication Channels

This section focuses on securing communication channels used for collaboration, remote access, data transmission, and third-party connectivity in alignment with CISSP best practices.

• Voice, Video, and Collaboration (e.g., conferencing, Zoom rooms)
• Remote Access (e.g., network administrative functions)
• Data Communications (e.g., backhaul networks, satellite)
• Third-Party Connectivity (e.g., telecom providers, hardware support)