This is a potential security issue, you are being redirected to https://csrc.nist.gov.
Note that NIST Special Publications 800-53, 800-53A, and 800-53B contain additional background, scoping, and implementation guidance in addition to the controls, assessment procedures, and baselines. This NIST SP 800-53 database represents the controls defined in NIST SP 800-53 Revision 5, Security and Privacy Controls for Information Systems and Organizations.
If there are any discrepancies noted in the content between this NIST SP 800-53 database and the latest published NIST SP 800-53 Revision 5 and NIST SP 800-53B, please contact firstname.lastname@example.org and refer to the official published documents as the normative source.
SP 800-53, Rev 5.1 corresponds with NIST SP 800-53, Revision 5 (published September 2020; includes updates as of Dec. 10, 2020)
Security and Privacy: general security & privacy, privacy, risk management, security measurement, security programs & operations
Laws and Regulations: E-Government Act, Federal Information Security Modernization Act