Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

NIST SP 800-53A Rev. 4

Assessing Security and Privacy Controls in Federal Information Systems and Organizations: Building Effective Assessment Plans

Date Published: December 2014 (Updated 12/18/2014)

Supersedes: SP 800-53A Rev. 4 (12/11/2014)

Planning Note (01/25/2023): This publication was officially withdrawn on January 25, 2023, one year after the release of Revision 5.


Joint Task Force Transformation Initiative



assurance; E-Government Act; security requirements; assessment; FISMA; Privacy Act; privacy controls; privacy requirements; security controls; Risk Management Framework
Control Families

Assessment, Authorization and Monitoring; Program Management; Risk Assessment