← NIST CSF 2.0 · PROTECT — Platform Security

PR.PS-02 — Software is maintained, replaced and removed commensurate with risk

high patchingvulnerability-management

Requirement

Software is maintained, replaced and removed commensurate with risk, including timely application of patches.

What the engine looks for

Every group below must be satisfied — by an affirmative statement, not a plan, a hedge or a denial — for the control to count as covered. A term ending in … matches any word it begins. Supporting terms do not change the verdict — they raise confidence and distinguish a policy that names a mechanism from one that gestures at a category.

Required element 1 — any one of
patchupdateupgradeend of lifeeol
Required element 2 — any one of
timelysladaysscheduleprocess
Supporting terms — specificity signals
critical withinmonthlyauto-updatedeprecat…unsupportedexception
Contradiction markers

Finding any of these outranks coverage — a policy that admits the gap is worse than silence.

unsupported software patches are not applied

Equivalent controls elsewhere

Matched on shared topics. Satisfying this control usually moves these too.

FrameworkControlTitleShared topics
ISO 27001 A.8.8 Management of technical vulnerabilities vulnerability-management patching
PCI DSS 4.0.1 6.3.3 Security patches installed within defined timeframes patching vulnerability-management
SOC 2 CC7.1 Detection of configuration changes and vulnerabilities vulnerability-management
ISO 27001 A.5.7 Threat intelligence vulnerability-management
PCI DSS 4.0.1 11.3 Internal and external vulnerability scanning every three months vulnerability-management
GLBA 314.4(d) Continuous monitoring, or annual penetration tests and six-monthly vulnerability assessments vulnerability-management