CCI-004982

Provide visibility into network traffic at external and key internal system interfaces to optimize the effectiveness of monitoring devices.

Implementation Guidance

Determine if: - visibility into network traffic at external system interfaces is provided to optimize the effectiveness of monitoring devices. - visibility into network traffic at key internal system interfaces is provided to optimize the effectiveness of monitoring devices.

Validation Procedures

Examine: [SELECT FROM: System and information integrity policy; system and information integrity procedures; procedures addressing system monitoring; system design documentation; system monitoring tools and techniques documentation; system configuration settings and associated documentation; system monitoring logs or records; system architecture; system audit records; network traffic reports; system security plan; other relevant documents or records]. Interview: [SELECT FROM: System/network administrators; organizational personnel with information security responsibilities; system developer; organizational personnel installing, configuring, and/or maintaining the system; organizational personnel responsible for monitoring system hosts]. Test: [SELECT FROM: Organizational processes for system monitoring; organizational processes for the discovery, collection, distribution, and use of indicators of compromise; mechanisms supporting and/or implementing a system monitoring capability; mechanisms supporting and/or implementing the discovery, collection, distribution, and use of indicators of compromise].

The controls below (if any) were marked by NIST as being related to CCI-004982.