# CP-8(5)_alternate-telecommunication-service-testing

> Test alternate telecommunication services [organization-defined].

- Skill: `cyberstrikeus/cp-8-5-alternate-telecommunication-service-testing` (Agent Skill)
- Install (CLI): `npx skillmds@latest add cyberstrikeus/cp-8-5-alternate-telecommunication-service-testing`
- Raw SKILL.md: https://api.skillmd.com/api/skills/cyberstrikeus/cp-8-5-alternate-telecommunication-service-testing/raw
- Safety review: PASS (external: skill-scanner PASS, skillspector PASS)
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: Coding & Dev Tools
- Author: cyberstrikeus (https://skillmd.com/u/cyberstrikeus)
- Updated: 2026-09-17
- Page: https://skillmd.com/skills/cyberstrikeus/cp-8-5-alternate-telecommunication-service-testing

---


# CP-8(5) Alternate Telecommunication Service Testing

> **Enhancement of:** CP-8

## High-Level Description

**Family:** Contingency Planning (CP)
**Framework:** NIST SP 800-53 Rev 5

Alternate telecommunications services testing is arranged through contractual agreements with service providers. The testing may occur in parallel with normal operations to ensure that there is no degradation in organizational missions or functions.

## What to Check

- [ ] Verify CP-8(5) Alternate Telecommunication Service Testing is documented in SSP
- [ ] Confirm control is operating effectively
- [ ] Review evidence of continuous monitoring for CP-8(5)
- [ ] Verify enhancement builds upon base control CP-8

## How to Test

### Step 1: Review Documentation

Examine the System Security Plan (SSP) and related artifacts for CP-8(5) 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

Test alternate telecommunication services [organization-defined].

### Implementation Guidance

Alternate telecommunications services testing is arranged through contractual agreements with service providers. The testing may occur in parallel with normal operations to ensure that there is no degradation in organizational missions or functions.

## Risk Assessment

| Finding                                                             | Severity | Impact                          |
| ------------------------------------------------------------------- | -------- | ------------------------------- |
| CP-8(5) Alternate Telecommunication Service Testing not implemented | Medium   | Contingency Planning            |
| CP-8(5) partially implemented                                       | Low      | Incomplete Contingency Planning |

## CWE Categories

| CWE ID | Title                 |
| ------ | --------------------- |
| N/A    | No direct CWE mapping |

## References

- [NIST SP 800-53 Rev 5 - CP-8(5)](https://csrc.nist.gov/projects/cprt/catalog#/cprt/framework/version/SP_800_53_5_1_1/home?element=cp-8.5)
- [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 (CP-3) reviewed