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V-278955

CAT II (Medium)

The ALG must use cryptographic algorithms approved by NSA to protect NSS when transporting classified traffic across an unclassified network.

Rule ID

SV-278955r1137568_rule

STIG

Application Layer Gateway Security Requirements Guide

Version

V2R3

CCIs

CCI-002450

Discussion

Use of weak or untested encryption algorithms undermines the purposes of using encryption to protect data. NIST cryptographic algorithms are approved by NSA to protect NSS. Based on an analysis of the impact of quantum computing, cryptographic algorithms specified by CNSSP-15 and approved for use in products in the CSfC program have been changed to more stringent protocols and configured with increased bit sizes and other secure characteristics to protect against quantum computing threats. The Commercial National Security Algorithm Suite (CNSA Suite) replaces Suite B. This requirement also applies to Zero Trust initiatives.

Check Content

Determine if the ALG uses cryptographic algorithms approved by NSA to protect NSS when transporting classified traffic across an unclassified network.   

If the ALG does not use cryptographic algorithms approved by NSA to protect NSS when transporting classified traffic across an unclassified network, this is a finding.

Fix Text

Configure the ALG to use cryptographic algorithms approved by NSA to protect NSS when transporting classified traffic across an unclassified network.