NIST 800-53 SI (System and Information Integrity) Family Explained

SI themes

• Flaw remediation cadence
• Malware / EDR coverage
• Security alerts and integrity checks
• Spam and information input restrictions where in scope

Evidence

Scanner exports, patch tickets, EDR coverage reports, and alert response SLAs.

Ops tip

Track mean-time-to-remediate by severity beside POA&M items for assessor sampling.

How CyberSilo Helps

• Evidence mapping in CyberSilo CSA
• Detection and logging proof with ThreatHawk SIEM
• Advisory scoping — contact CyberSilo

Frequently Asked Questions

Is EDR enough for SI?

It helps malware protection; still need patch and integrity processes.

How does ThreatHawk help?

Centralises alerts and supports continuous monitoring evidence.

OT systems?

See SP 800-82 for ICS-specific integrity considerations.

Related Resources

• AC family
• 800-137 ISCM