AC-16(1)_dynamic-attribute-association
DevOps & SecurityAC-16(1)_dynamic-attribute-association 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.
Dynamically associate security and privacy attributes with [organization-defined] in accordance with the following security and privacy policies as in
How to use this skill
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Inspect the Agent Skill at https://github.com/CyberStrikeus/CyberStrike/blob/HEAD/.cyberstrike/skill/NIST/SP800-53_rev5/AC_access-control/AC-16(1)_dynamic-attribute-association/SKILL.md and all supporting files. Report provenance, permissions, scripts, dependencies, and security risks. Propose an exact installation into .agents/skills/ac-16-1-dynamic-attribute-association, but wait for my approval before writing files or running scripts.
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AC-16(1) Dynamic Attribute Association
Enhancement of: AC-16
High-Level Description
Family: Access Control (AC) Framework: NIST SP 800-53 Rev 5
Dynamic association of attributes is appropriate whenever the security or privacy characteristics of information change over time. Attributes may change due to information aggregation issues (i.e., characteristics of individual data elements are different from the combined elements), changes in individual access authorizations (i.e., privileges), changes in the security category of information, or changes in security or privacy policies. Attributes may also change situationally.
What to Check
- Verify AC-16(1) Dynamic Attribute Association is documented in SSP
- Confirm control is operating effectively
- Review evidence of continuous monitoring for AC-16(1)
- Verify enhancement builds upon base control AC-16
How to Test
Step 1: Review Documentation
Examine the System Security Plan (SSP) and related artifacts for AC-16(1) 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
Dynamically associate security and privacy attributes with [organization-defined] in accordance with the following security and privacy policies as information is created and combined: [organization-defined].
Implementation Guidance
Dynamic association of attributes is appropriate whenever the security or privacy characteristics of information change over time. Attributes may change due to information aggregation issues (i.e., characteristics of individual data elements are different from the combined elements), changes in individual access authorizations (i.e., privileges), changes in the security category of information, or changes in security or privacy policies. Attributes may also change situationally.
Risk Assessment
| Finding | Severity | Impact |
|---|---|---|
| AC-16(1) Dynamic Attribute Association not implemented | High | Access Control |
| AC-16(1) partially implemented | Medium | Incomplete Access Control |
CWE Categories
| CWE ID | Title |
|---|---|
| CWE-284 | Improper Access Control |
References
- NIST SP 800-53 Rev 5 - AC-16(1)
- 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