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Security and Privacy Controls for Federal Information Systems and Organizations
**Note: All reference to SP 800-53 on this page refers to SP 800-53 Revision 4.**
The purpose of Special Publication 800-53 is to provide guidelines for selecting and specifying security controls for systems supporting the executive agencies of the federal government. The guidelines have been developed to help achieve more secure systems within the federal government by:
The guidelines provided in NIST Special Publication 800-53 are applicable to all federal systems1 other than those systems designated as national security systems as defined in 44 U.S.C., Section 35422. The guidelines have been broadly developed from a technical perspective to complement similar guidelines for national security systems. This publication is intended to provide guidance to federal agencies implementing FIPS 200, Minimum Security Requirements for Federal Information and Information Systems. In addition to the agencies of the federal government, state, local, and tribal governments, and private sector organizations that compose the critical infrastructure of the United States, are encouraged to use these guidelines, as appropriate.
The security controls cover the following topic areas:
2. NIST Special Publication 800-59 provides guidance on identifying an system as a national security system.