AC-4(4): Content Check Encrypted Information

Control Family:

Access Control

Parent Control:

AC-4: Information Flow Enforcement

Priority:

P1: Implement P1 security controls first.

CSF v1.1 References:

ID.AM-3
PR.AC-5
PR.DS-5
PR.PT-4
DE.AE-1

Threats Addressed:

Spoofing
Information Disclosure

Baselines:

(Not part of any baseline)

Next Version:

NIST Special Publication 800-53 Revision 5:
AC-4(4): Flow Control of Encrypted Information

Control Statement

The information system prevents encrypted information from bypassing content-checking mechanisms by [Selection (one or more): decrypting the information; blocking the flow of the encrypted information; terminating communications sessions attempting to pass encrypted information; [Assignment: organization-defined procedure or method]].