SC-26_decoys

DevOps & Security

Include components within organizational systems specifically designed to be the target of malicious attacks for detecting, deflecting, and analyzing

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Source SKILL.md: https://github.com/CyberStrikeus/CyberStrike/blob/HEAD/.cyberstrike/skill/NIST/SP800-53_rev5/SC_system-and-communications-protection/SC-26_decoys/SKILL.md

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SC-26 Decoys

High-Level Description

Family: System and Communications Protection (SC) Framework: NIST SP 800-53 Rev 5

Decoys (i.e., honeypots, honeynets, or deception nets) are established to attract adversaries and deflect attacks away from the operational systems that support organizational mission and business functions. Use of decoys requires some supporting isolation measures to ensure that any deflected malicious code does not infect organizational systems. Depending on the specific usage of the decoy, consultation with the Office of the General Counsel before deployment may be needed.

What to Check

Verify SC-26 Decoys is documented in SSP
Confirm control is operating effectively
Review evidence of continuous monitoring for SC-26

How to Test

Step 1: Review Documentation

Examine the System Security Plan (SSP) and related artifacts for SC-26 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

Tool	Purpose	Usage
cloud-audit-mcp	Check encryption and network controls	`cloud_audit_encryption`
nmap	Network scanning	`nmap -sV --script ssl-enum-ciphers`

Remediation Guide

Control Statement

Include components within organizational systems specifically designed to be the target of malicious attacks for detecting, deflecting, and analyzing such attacks.

Implementation Guidance

Risk Assessment

Finding	Severity	Impact
SC-26 Decoys not implemented	High	System and Communications Protection
SC-26 partially implemented	Medium	Incomplete System and Communications Protection

CWE Categories

CWE ID	Title
CWE-311	Missing Encryption of Sensitive Data

References

Checklist

Control documented in SSP
Implementation evidence collected
Operating effectiveness validated
Continuous monitoring in place
Related controls (RA-5, SC-7, SC-30, SC-35, SC-44) reviewed