AC-3(15) Discretionary and Mandatory Access Control
Control enhancement of AC-3 Access Enforcement
Control
Enforce [Assignment: organization-defined mandatory access control policy] over the set of covered subjects and objects specified in the policy; and
Enforce [Assignment: organization-defined discretionary access control policy] over the set of covered subjects and objects specified in the policy.
Discussion
Simultaneously implementing a mandatory access control policy and a discretionary access control policy can provide additional protection against the unauthorized execution of code by users or processes acting on behalf of users. This helps prevent a single compromised user or process from compromising the entire system.
Related controls
Need AC-3(15) 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.