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CM-07(04) Unauthorized Software — Deny-by-exception

NIST SP 800-53 (controls) 5.1.1+u4
All changes in this version
first version loaded CM part of CM-7

Title

Unauthorized Software — Deny-by-exception

Control

(a) Identify [Assignment: software programs];
(b) Employ an allow-all, deny-by-exception policy to prohibit the execution of unauthorized software programs on the system; and
(c) Review and update the list of unauthorized software programs [Assignment: frequency].

Discussion

Unauthorized software programs can be limited to specific versions or from a specific source. The concept of prohibiting the execution of unauthorized software may also be applied to user actions, system ports and protocols, IP addresses/ranges, websites, and MAC addresses.

Parameters

cm-07.04_odp.01: software programs
cm-07.04_odp.02: frequency

Related controls

cm-10, cm-6, cm-8, pl-9, pm-5

STIG rules that implement this control 0

No followed STIG rule cites a CCI indexed to this control (CCI list 2026-07-14).