IA-3(4)_device-attestation

DevOps & Security

Handle device identification and authentication based on attestation by [organization-defined].

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Source SKILL.md: https://github.com/CyberStrikeus/CyberStrike/blob/HEAD/.cyberstrike/skill/NIST/SP800-53_rev5/IA_identification-and-authentication/IA-3(4)_device-attestation/SKILL.md

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IA-3(4) Device Attestation

Enhancement of: IA-3

High-Level Description

Family: Identification and Authentication (IA) Framework: NIST SP 800-53 Rev 5

Device attestation refers to the identification and authentication of a device based on its configuration and known operating state. Device attestation can be determined via a cryptographic hash of the device. If device attestation is the means of identification and authentication, then it is important that patches and updates to the device are handled via a configuration management process such that the patches and updates are done securely and do not disrupt identification and authentication to other devices.

What to Check

Verify IA-3(4) Device Attestation is documented in SSP
Confirm control is operating effectively
Review evidence of continuous monitoring for IA-3(4)
Verify enhancement builds upon base control IA-3

How to Test

Step 1: Review Documentation

Examine the System Security Plan (SSP) and related artifacts for IA-3(4) 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 authentication settings	`cloud_audit_iam_policies`
hackbrowser-mcp	Test authentication mechanisms	`browser_auth_test`

Remediation Guide

Control Statement

Handle device identification and authentication based on attestation by [organization-defined].

Implementation Guidance

Risk Assessment

Finding	Severity	Impact
IA-3(4) Device Attestation not implemented	High	Identification and Authentication
IA-3(4) partially implemented	Medium	Incomplete Identification and Authentication

CWE Categories

CWE ID	Title
CWE-287	Improper Authentication

References

Checklist

Control documented in SSP
Implementation evidence collected
Operating effectiveness validated
Continuous monitoring in place
Related controls (CM-2, CM-3, CM-6) reviewed