Control
Log [Assignment: organization-defined audit events] for nonlocal maintenance and diagnostic sessions; and
Review the audit records of the maintenance and diagnostic sessions to detect anomalous behavior.
Discussion
Audit logging for nonlocal maintenance is enforced by [AU-2](#au-2) . Audit events are defined in [AU-2a](#au-2_smt.a).
Related controls
Need MA-4(1) implemented and evidenced?
We assess where you stand against this control, document the gap, and build the remediation plan your auditor and your board will both accept.
Control catalog and framework text on this page is reproduced from official NIST publications — a public-domain work of the U.S. Government (17 U.S.C. §105). Maverc commentary, groupings, and readiness guidance are our own and are not part of any NIST publication.