What should be done when cabling and components used for communications are located outside of a Physical Security Perimeter?

When cabling and components for communications are located outside of a Physical Security Perimeter, it is critical to implement protective measures to safeguard them. Documenting and implementing protections such as encryption or monitoring serves several important functions.

Firstly, these protective measures help ensure the confidentiality and integrity of the data being transmitted through the cabling. Encrypting the communication prevents eavesdropping or data interception by unauthorized individuals. Additionally, monitoring these components can help detect any unauthorized access attempts or unusual activities, allowing an organization to respond quickly to potential threats.

Establishing these protections is vital, especially for components that are not secured within a controlled environment, as they are at greater risk of being compromised. Failing to take such precautions could lead to data breaches, loss of sensitive information, or disruptions in service, which could impact the security and reliability of critical infrastructure operations.