PT 4(3) Revocation

---
name: "PT-4(3)_revocation"
description: "Implement [organization-defined] for individuals to revoke consent to the processing of their personally identifiable information."
category: "configuration"
version: "5.2.0"
author: "cyberstrike-official"
tags:
  - nist
  - sp800-53
  - rev5
  - pt-4-3
  - pt
  - enhancement
tech_stack:
  - any
cwe_ids:
  - CWE-359
chains_with:
  - PT-2
prerequisites:
  - PT-4
severity_boost:
  PT-2: "Chain with PT-2 for comprehensive security coverage"
---

# PT-4(3) Revocation

> **Enhancement of:** PT-4

## High-Level Description

**Family:** Personally Identifiable Information Processing and Transparency (PT)
**Framework:** NIST SP 800-53 Rev 5

Revocation of consent enables individuals to exercise control over their initial consent decision when circumstances change. Organizations consider usability factors in enabling easy-to-use revocation capabilities.

## What to Check

- [ ] Verify PT-4(3) Revocation is documented in SSP
- [ ] Confirm control is operating effectively
- [ ] Review evidence of continuous monitoring for PT-4(3)
- [ ] Verify enhancement builds upon base control PT-4

## How to Test

### Step 1: Review Documentation

Examine the System Security Plan (SSP) and related artifacts for PT-4(3) 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 |
| ------------- | --------------------------------- | ----- |
| Manual Review | Documentation and interview-based | N/A   |

## Remediation Guide

### Control Statement

Implement [organization-defined] for individuals to revoke consent to the processing of their personally identifiable information.

### Implementation Guidance

Revocation of consent enables individuals to exercise control over their initial consent decision when circumstances change. Organizations consider usability factors in enabling easy-to-use revocation capabilities.

## Risk Assessment

| Finding                            | Severity | Impact                                                                     |
| ---------------------------------- | -------- | -------------------------------------------------------------------------- |
| PT-4(3) Revocation not implemented | Medium   | Personally Identifiable Information Processing and Transparency            |
| PT-4(3) partially implemented      | Low      | Incomplete Personally Identifiable Information Processing and Transparency |

## CWE Categories

| CWE ID  | Title                                    |
| ------- | ---------------------------------------- |
| CWE-359 | Exposure of Private Personal Information |

## References

- [NIST SP 800-53 Rev 5 - PT-4(3)](https://csrc.nist.gov/projects/cprt/catalog#/cprt/framework/version/SP_800_53_5_1_1/home?element=pt-4.3)
- [NIST SP 800-53A Rev 5 (Assessment Procedures)](https://csrc.nist.gov/pubs/sp/800/53/a/r5/final)
- [NIST SP 800-53 Rev 5 Full Catalog](https://csrc.nist.gov/pubs/sp/800/53/r5/upd1/final)

## Checklist

- [ ] Control documented in SSP
- [ ] Implementation evidence collected
- [ ] Operating effectiveness validated
- [ ] Continuous monitoring in place
- [ ] Related controls (PT-2) reviewed