AC-11(1): Pattern-Hiding Displays

Control Family:

Parent Control:

AC-11: Session Lock

Priority:

P3: Implement P3 security controls after implementation of P1 and P2 controls.

CSF v1.1 References:

PR.AC-7

Threats Addressed:

Information Disclosure

Baselines:

Moderate
High

Next Version:

NIST Special Publication 800-53 Revision 5:
AC-11(1): Pattern-hiding Displays

Control Statement

The information system conceals, via the session lock, information previously visible on the display with a publicly viewable image.

Supplemental Guidance

Publicly viewable images can include static or dynamic images, for example, patterns used with screen savers, photographic images, solid colors, clock, battery life indicator, or a blank screen, with the additional caveat that none of the images convey sensitive information.