NIST SP 800-53 Rev. 5 PE-5(3) — Marking Output Devices

What this control requires

Marking output devices to clearly indicate the restrictions or sensitivities associated with the information being output. This ensures that individuals are aware of the security requirements and access limitations for handling the output produced by these devices. This control supports the Output Device Marking capability within the Physical and Environmental Protection family.

In plain English

Marking output devices to clearly indicate the restrictions or sensitivities associated with the information being output. In practice, this means you can prove you restrictions information-level controls on a defined cadence.

Why it matters

SP 800-53 is the catalogue every U.S. federal authorisation (FedRAMP, FISMA, CMMC) and most regulated industries point at. A missing control surfaces as a Plan of Action & Milestones (POA&M) item that an Authorizing Official must approve before the Authority To Operate is granted or renewed.

What an auditor looks for

A 3PAO (FedRAMP) or Independent Assessor (NIST RMF) tests against NIST SP 800-53A assessment procedures. For each control they expect a documented implementation that addresses every assessment objective (Examine, Interview, Test) and an implementation summary in the System Security Plan.

Within Physical and Environmental Protection, the assessor will trace your implementation back to the catalogue reference (Control PE-5(3)) and look for objective evidence on the latest two assessment cycles.

How to implement

Endpoint Protection

MDM. Make MDM enrollment a hard gate for device access (Intune compliance + Conditional Access, or Jamf + Okta device trust). Unmanaged devices simply don't get a session token.

EDR. Deploy CrowdStrike / SentinelOne / Defender for Endpoint to every server and laptop; alert on any host that stops sending telemetry for >24h.

Operational checklist

• Restrictions. Document the trigger, the owner and the cadence.
• Access. Document the trigger, the owner and the cadence.
• Information. Document the trigger, the owner and the cadence.
• Security. Document the trigger, the owner and the cadence.
• Physical. Document the trigger, the owner and the cadence.
• Scope: information, protection, capability, output devices, requirements, security, security requirements, restrictions.

Evidence to collect

• User Device Scan. MDM compliance state per user device (Intune / Jamf / Workspace ONE).

Endpoint compliance telemetry (Intune, Jamf) proves managed coverage. Focus: Marking Output Devices.

Common pitfalls

• Pilot MDM rollouts that quietly exclude executives or engineers; carving out the highest-risk users is the most common audit failure.

How it maps to other frameworks

Computed from shared tags, control component and key-operation subjects — handy when you are reconciling controls across an audit.

• NIST SP 800-171 Rev. 3 3.1.18 — Access Control for Mobile Devices
• ISO/IEC 27001:2022 A.8.10 — Information deletion

Related controls in NIST SP 800-53 Rev. 5

• Control MP-7 — Media Use
• Control PE-3(4) — Lockable Casings
• Control SC-5(1) — Restrict Ability To Attack Other Systems
• Control AC-19(4) — Restrictions For Classified Information
• Control PE-13(1) — Detection Systems -- Automatic Activation And Notification
• Control PE-22 — Component Marking

References

• NIST Computer Security Resource Center — NIST SP 800-53 Rev. 5
• Catalogue identifier: Control PE-5(3)

Topics: endpoint securityendpoint protection