MA-4(4) Authentication and Separation of Maintenance Sessions
Control enhancement of MA-4 Nonlocal Maintenance
Control
Protect nonlocal maintenance sessions by:
Employing [Assignment: authenticators that are replay resistant] ; and
Separating the maintenance sessions from other network sessions with the system by either:
Physically separated communications paths; or
Logically separated communications paths.
Discussion
Communications paths can be logically separated using encryption.
Need MA-4(4) 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.
