AC-4(30)_filter-mechanisms-using-multiple-processes
DevOps & SecurityAC-4(30)_filter-mechanisms-using-multiple-processes 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, implement content filtering mechanisms using multiple processes.
How to use this skill
Bring this guide into your coding agent with a prompt tailored to the tool you use.
- Open your project in Codex.
- Copy and paste the prompt below.
- Review files and risks before approving any action.
Inspect the Agent Skill at https://github.com/CyberStrikeus/CyberStrike/blob/HEAD/.cyberstrike/skill/NIST/SP800-53_rev5/AC_access-control/AC-4(30)_filter-mechanisms-using-multiple-processes/SKILL.md and all supporting files. Report provenance, permissions, scripts, dependencies, and security risks. Propose an exact installation into .agents/skills/ac-4-30-filter-mechanisms-using-multiple-processes, but wait for my approval before writing files or running scripts.
Copying this prompt does not install or run the skill. Review third-party files before use.
AC-4(30) Filter Mechanisms Using Multiple Processes
Enhancement of: AC-4
High-Level Description
Family: Access Control (AC) Framework: NIST SP 800-53 Rev 5
The use of multiple processes to implement content filtering mechanisms reduces the likelihood of a single point of failure.
What to Check
- Verify AC-4(30) Filter Mechanisms Using Multiple Processes is documented in SSP
- Confirm control is operating effectively
- Review evidence of continuous monitoring for AC-4(30)
- 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(30) 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, implement content filtering mechanisms using multiple processes.
Implementation Guidance
The use of multiple processes to implement content filtering mechanisms reduces the likelihood of a single point of failure.
Risk Assessment
| Finding | Severity | Impact |
|---|---|---|
| AC-4(30) Filter Mechanisms Using Multiple Processes not implemented | High | Access Control |
| AC-4(30) 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(30)
- 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