<?xml version="1.0" encoding="UTF-8"?><!--Serialized by the GTRI Trustmark Framework API, version: 1.4.74--><tf:TrustInteroperabilityProfile xmlns:tf="https://trustmarkinitiative.org/specifications/trustmark-framework/1.4/schema/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:ds="http://www.w3.org/2000/09/xmldsig#"><tf:Identifier>https://artifacts.trustmarkinitiative.org/lib/tips/nist-sp-800-53-r4-security-control-ma-4-_4__-authentication-_-separation-of-maintenance-sessions/4/</tf:Identifier><tf:Name>NIST SP 800-53 r4 Security Control MA-4 (4): Authentication / Separation of Maintenance Sessions</tf:Name><tf:Version>4</tf:Version><tf:Description>Profile of requirements corresponding to NIST Special Publication 800-53, r4, Security Control MA-4 (4): Authentication / Separation of Maintenance Sessions.</tf:Description><tf:PublicationDateTime>2021-04-26T00:00:00.000Z</tf:PublicationDateTime><tf:Primary>false</tf:Primary><tf:LegalNotice>This 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.</tf:LegalNotice><tf:Issuer><tf:Identifier>https://trustmarkinitiative.org/</tf:Identifier><tf:Name>TMI</tf:Name><tf:Contact><tf:Kind>PRIMARY</tf:Kind><tf:Responder></tf:Responder><tf:Email>help@trustmarkinitiative.org</tf:Email><tf:Telephone>555-555-5555</tf:Telephone><tf:WebsiteURL>https://trustmarkinitiative.org/</tf:WebsiteURL></tf:Contact></tf:Issuer><tf:Keywords><tf:Keyword>800-53</tf:Keyword><tf:Keyword>Authentication / Separation</tf:Keyword><tf:Keyword>Maintenance</tf:Keyword><tf:Keyword>Maintenance Sessions</tf:Keyword><tf:Keyword>NIST</tf:Keyword><tf:Keyword>Security</tf:Keyword></tf:Keywords><tf:References><tf:TrustmarkDefinitionRequirement tf:id="TD_ref1"><tf:TrustmarkDefinitionReference><tf:Identifier>https://artifacts.trustmarkinitiative.org/lib/tds/nonlocal-maintenance-_-authentication-_-separation-of-maintenance-sessions-_-logically-separated-communications-paths/1.0/</tf:Identifier><tf:Number>1</tf:Number><tf:Name>Nonlocal Maintenance | Authentication / Separation Of Maintenance Sessions | Logically Separated Communications Paths</tf:Name><tf:Version>1.0</tf:Version><tf:Description>Defines conformance and assessment criteria for verifying that an organization protects nonlocal maintenance sessions by separating the maintenance sessions from other network sessions with the information system by logically separated communications paths based upon encryption.</tf:Description></tf:TrustmarkDefinitionReference></tf:TrustmarkDefinitionRequirement><tf:TrustmarkDefinitionRequirement tf:id="TD_ref2"><tf:TrustmarkDefinitionReference><tf:Identifier>https://artifacts.trustmarkinitiative.org/lib/tds/nonlocal-maintenance-_-authentication-_-separation-of-maintenance-sessions-_-physically-separated-communications-paths/1.0/</tf:Identifier><tf:Number>2</tf:Number><tf:Name>Nonlocal Maintenance | Authentication / Separation Of Maintenance Sessions | Physically Separated Communications Paths</tf:Name><tf:Version>1.0</tf:Version><tf:Description>Defines conformance and assessment criteria for verifying that an organization protects nonlocal maintenance sessions by separating the maintenance sessions from other network sessions with the information system by physically separated communications paths.</tf:Description></tf:TrustmarkDefinitionReference></tf:TrustmarkDefinitionRequirement><tf:TrustmarkDefinitionRequirement tf:id="TD_ref3"><tf:TrustmarkDefinitionReference><tf:Identifier>https://artifacts.trustmarkinitiative.org/lib/tds/nonlocal-maintenance-_-authentication-_-separation-of-maintenance-sessions-_-replay-resistant-authenticators/1.0/</tf:Identifier><tf:Number>3</tf:Number><tf:Name>Nonlocal Maintenance | Authentication / Separation Of Maintenance Sessions | Replay Resistant Authenticators</tf:Name><tf:Version>1.0</tf:Version><tf:Description>Defines conformance and assessment criteria for verifying that an organization protects nonlocal maintenance sessions by employing organization-defined authenticators that are replay resistant.</tf:Description></tf:TrustmarkDefinitionReference></tf:TrustmarkDefinitionRequirement></tf:References><tf:TrustExpression><![CDATA[TD_ref1 and TD_ref2 and TD_ref3]]></tf:TrustExpression><tf:Sources><tf:Source tf:id="Source-2112165102"><tf:Identifier>SP800-53R4</tf:Identifier><tf:Reference>NIST 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 &lt;a href="http://dx.doi.org/10.6028/NIST.SP.800-53r4"&gt;http://dx.doi.org/10.6028/NIST.SP.800-53r4&lt;/a&gt;.</tf:Reference></tf:Source></tf:Sources></tf:TrustInteroperabilityProfile>