BaselineWatch
Desk
Your fleet and your work Fleetyour releases and the hardware they run onTriagewhat needs a decisionWatchlistthe products and platforms you runSaved searchesthe lists you come back to
This instance Sourceswhat is read, how often, under what termsDigestthe daily or weekly summary, and alerts
How it is drawn Appearancethe look and the colour schemeBrandingthe mark this instance wears
Owner sign-in

AC-20(04) Network Accessible Storage Devices — Prohibited Use

NIST SP 800-53 (controls) 5.1.1+u4
All changes in this version
first version loaded AC part of AC-20

Title

Network Accessible Storage Devices — Prohibited Use

Control

Prohibit the use of [Assignment: network-accessible storage devices] in external systems.

Discussion

Network-accessible storage devices in external systems include online storage devices in public, hybrid, or community cloud-based systems.

Parameters

ac-20.04_odp: network-accessible storage devices

Assessment objective

AC-20(04) the use of [Assignment: network-accessible storage devices] is prohibited in external systems.

STIG rules that implement this control 0

No followed STIG rule cites a CCI indexed to this control (CCI list 2026-07-14).