AC-4(32)_process-requirements-for-information-transfer
DevOps & SecurityAC-4(32)_process-requirements-for-information-transfer is an Agent Skill for devops & security published in the CyberStrikeus/CyberStrike repository on GitHub: a SKILL.md instruction file an AI agent can load to do this task.
When transferring information between different security domains, the process that transfers information between filter pipelines: Does not filter mes
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AC-4(32) Process Requirements for Information Transfer
Enhancement of: AC-4
High-Level Description
Family: Access Control (AC) Framework: NIST SP 800-53 Rev 5
The processes transferring information between filter pipelines have minimum complexity and functionality to provide assurance that the processes operate correctly.
What to Check
- Verify AC-4(32) Process Requirements for Information Transfer is documented in SSP
- Validate all 4 control requirements are implemented
- Confirm control is operating effectively
- Review evidence of continuous monitoring for AC-4(32)
- Verify enhancement builds upon base control AC-4
How to Test
Step 1: Review Documentation
Examine the System Security Plan (SSP) and related artifacts for AC-4(32) 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 IAM policies and access controls | cloud_audit_iam_policies |
| hackbrowser-mcp | Test web application access controls | browser_auth_test |
Remediation Guide
Control Statement
When transferring information between different security domains, the process that transfers information between filter pipelines: Does not filter message content; Validates filtering metadata; Ensures the content associated with the filtering metadata has successfully completed filtering; and Transfers the content to the destination filter pipeline.
Implementation Guidance
The processes transferring information between filter pipelines have minimum complexity and functionality to provide assurance that the processes operate correctly.
Risk Assessment
| Finding | Severity | Impact |
|---|---|---|
| AC-4(32) Process Requirements for Information Transfer not implemented | High | Access Control |
| AC-4(32) partially implemented | Medium | Incomplete Access Control |
CWE Categories
| CWE ID | Title |
|---|---|
| CWE-284 | Improper Access Control |
References
- NIST SP 800-53 Rev 5 - AC-4(32)
- NIST SP 800-53A Rev 5 (Assessment Procedures)
- NIST SP 800-53 Rev 5 Full Catalog
Checklist
- Control documented in SSP
- Implementation evidence collected
- Operating effectiveness validated
- Continuous monitoring in place
- Related controls (none) reviewed