What is the maximum interval for reviewing logged events?

The maximum interval for reviewing logged events, as specified in the NERC CIP v7 Standards, is no greater than 15 calendar days. This requirement is in place to ensure that any security events or anomalies are identified and addressed in a timely manner, thereby reducing the risk of prolonged exposure to potential threats.

Frequent reviews of logs help organizations to quickly detect and respond to incidents, maintain the integrity of their systems, and comply with regulatory requirements. By establishing a maximum review interval of 15 calendar days, NERC aims to promote proactive security measures and continuous monitoring of system activities, which is crucial for protecting critical infrastructure in the energy sector.

This standard supports not only operational effectiveness but also enhances the overall security posture of organizations responsible for the reliability of the Bulk Electric System.