https://artifacts.trustmarkinitiative.org/lib/tips/nist-sp-800-53-r4-security-control-pe-2-_3__-restrict-unescorted-access/4/NIST SP 800-53 r4 Security Control PE-2 (3): Restrict Unescorted Access4Profile of requirements corresponding to NIST Special Publication 800-53, r4, Security Control PE-2 (3): Restrict Unescorted Access.2021-04-26T00:00:00.000ZfalseThis document and the information contained herein is provided on an "AS IS" basis, and the Georgia Tech Research Institute disclaims all warranties, express or implied, including but not limited to any warranty that the use of the information herein will not infringe any rights or any implied warranties or merchantability or fitness for a particular purpose. In addition, the Georgia Tech Research Institute disclaims legal liability for any loss incurred as a result of the use or reliance on the document or the information contained herein.https://trustmarkinitiative.org/TMIPRIMARYhelp@trustmarkinitiative.org555-555-5555https://trustmarkinitiative.org/800-53Environmental ProtectionNISTPhysicalRestrict Unescorted AccessSecurityhttps://artifacts.trustmarkinitiative.org/lib/tds/physical-access-authorizations-_-restrict-unescorted-access/1.0/1Physical Access Authorizations | Restrict Unescorted Access1.0Defines conformance and assessment criteria for verifying that an organization restricts unescorted access to the facility where the information system resides to personnel with (one or more): security clearances for all information contained within the system; formal access authorizations for all information contained within the system; need for access to all information contained within the system; organization-defined credentials.SP800-53R4NIST Special Publication 800-53 Revision 4, Security and Privacy Controls for Federal Information Systems and Organizations, National Institute of Standards and Technology, April 2013 (Includes updates as of 01-15-2014). Available at <a href="http://dx.doi.org/10.6028/NIST.SP.800-53r4">http://dx.doi.org/10.6028/NIST.SP.800-53r4</a>.