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SI-3(6)_testing-and-verification

Testing & Quality
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Test malicious code protection mechanisms [organization-defined] by introducing known benign code into the system;

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Source SKILL.md: https://github.com/CyberStrikeus/CyberStrike/blob/HEAD/.cyberstrike/skill/NIST/SP800-53_rev5/SI_system-and-information-integrity/SI-3(6)_testing-and-verification/SKILL.md

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SI-3(6) Testing and Verification

Enhancement of: SI-3

High-Level Description

Family: System and Information Integrity (SI) Framework: NIST SP 800-53 Rev 5

None.

What to Check

  • Verify SI-3(6) Testing and Verification is documented in SSP
  • Validate all 2 control requirements are implemented
  • Confirm control is operating effectively
  • Review evidence of continuous monitoring for SI-3(6)
  • Verify enhancement builds upon base control SI-3

How to Test

Step 1: Review Documentation

Examine the System Security Plan (SSP) and related artifacts for SI-3(6) implementation details. Verify the organization has documented how this control is satisfied.

Step 2: Validate Implementation

# For cloud environments, use cloud-audit-mcp tools
# For on-premises, review system configurations directly

# Example: Check if account management policies exist
grep -r "account.management\|access.control" /etc/security/ 2>/dev/null

Step 3: Test Operating Effectiveness

Verify the control is actively functioning, not just documented. Check logs, configurations, and operational evidence.

Tools

ToolPurposeUsage
cloud-audit-mcpCheck integrity monitoringcloud_audit_monitoring
AWS CLIReview GuardDuty/Inspectoraws guardduty list-detectors

Remediation Guide

Control Statement

Test malicious code protection mechanisms [organization-defined] by introducing known benign code into the system; and Verify that the detection of the code and the associated incident reporting occur.

Implementation Guidance

None.

Risk Assessment

FindingSeverityImpact
SI-3(6) Testing and Verification not implementedHighSystem and Information Integrity
SI-3(6) partially implementedMediumIncomplete System and Information Integrity

CWE Categories

CWE IDTitle
CWE-20Improper Input Validation

References

Checklist

  • Control documented in SSP
  • Implementation evidence collected
  • Operating effectiveness validated
  • Continuous monitoring in place
  • Related controls (CA-2, CA-7, RA-5) reviewed