What process does CIP-009 R2 emphasize should occur at least once every 15 calendar months?

CIP-009 R2 emphasizes the importance of testing recovery plans at least once every 15 calendar months. The rationale behind this requirement lies in ensuring that organizations can effectively restore critical systems and data in the event of a cybersecurity incident or other disruptive events. Regular testing of recovery plans helps identify any gaps or weaknesses in those plans, allows personnel to practice their roles, and verifies that recovery procedures are up-to-date and effective. This proactive approach supports organizational resilience and minimizes downtime during actual recovery situations.

The focus on recovery plan testing highlights that simply having a documented plan is insufficient; active validation of its effectiveness is crucial for maintaining operational continuity in the face of potential threats. By adhering to this requirement, entities can maintain a state of preparedness and respond efficiently to recover from incidents that could impact critical infrastructure.