ComplianceNIST 800-53 enhancement

NIST-CM-7(4) Unauthorized Software — Deny-by-exception

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Framework
NIST SP 800-53 rev5 (5.2.0)
Family
CM Configuration Management
Control
CM-7(4)

Control statement

(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.

Related

Enhancement of · Compliance (1)

  • NIST-CM-7 Least Functionality NIST 800-53 control

Related control · Compliance (5)

  • NIST-CM-10 Software Usage Restrictions NIST 800-53 control
  • NIST-CM-6 Configuration Settings NIST 800-53 control
  • NIST-CM-8 System Component Inventory NIST 800-53 control
  • NIST-PL-9 Central Management NIST 800-53 control
  • NIST-PM-5 System Inventory NIST 800-53 control