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SI.L1-3.14.4Update Malicious Code Protection

Level 1
FAR 52.204-21 b.
800-171: 3.14.4

>Control Description

Update malicious code protection mechanisms when new releases are available.

>Cross-Framework Mappings

NIST SP 800-171

>Assessment Interview Topics

Questions assessors commonly ask

Process & Governance:

  • What is your policy for updating malware protection mechanisms?
  • How frequently do you update malware signatures/definitions?
  • Who is responsible for ensuring malware protection is current?
  • What is your process for deploying malware protection updates?
  • How do you verify that updates are successfully applied?

Technical Implementation:

  • What mechanisms automatically update anti-malware signatures?
  • How frequently are malware definitions updated?
  • What technologies push updates to anti-malware systems?
  • What tools verify anti-malware is current?
  • What backup update sources exist if primary is unavailable?

Evidence & Documentation:

  • What patch management reports show timely patching?
  • What anti-malware deployment and update reports can you provide?
  • What malware scan reports and logs can you show?
  • What security monitoring reports demonstrate monitoring is occurring?
  • What security alert tracking shows alerts are reviewed and acted upon?
  • What incident detection logs demonstrate security monitoring?
  • What patch testing procedures can you provide?

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