CINXE.COM
C-SCRM Guidance: NIST SP 800-161r1 | CSRC
<!DOCTYPE html> <html lang="en-us" xml:lang="en-us"> <head><script type="text/javascript" src="https://web-static.archive.org/_static/js/bundle-playback.js?v=7YQSqjSh" charset="utf-8"></script> <script type="text/javascript" src="https://web-static.archive.org/_static/js/wombat.js?v=txqj7nKC" charset="utf-8"></script> <script>window.RufflePlayer=window.RufflePlayer||{};window.RufflePlayer.config={"autoplay":"on","unmuteOverlay":"hidden"};</script> <script type="text/javascript" src="https://web-static.archive.org/_static/js/ruffle/ruffle.js"></script> <script type="text/javascript"> __wm.init("https://web.archive.org/web"); __wm.wombat("https://csrc.nist.gov/News/2022/c-scrm-guidance-nist-sp-800-161r1","20231004100832","https://web.archive.org/","web","https://web-static.archive.org/_static/", "1696414112"); </script> <link rel="stylesheet" type="text/css" href="https://web-static.archive.org/_static/css/banner-styles.css?v=p7PEIJWi" /> <link rel="stylesheet" type="text/css" href="https://web-static.archive.org/_static/css/iconochive.css?v=3PDvdIFv" /> <!-- End Wayback Rewrite JS Include --> <meta charset="utf-8"/> <title>C-SCRM Guidance: NIST SP 800-161r1 | CSRC</title> <meta http-equiv="content-type" content="text/html; charset=UTF-8"/> <meta http-equiv="content-style-type" content="text/css"/> <meta http-equiv="content-script-type" content="text/javascript"/> <meta name="viewport" content="width=device-width, initial-scale=1.0"/> <meta name="msapplication-config" content="/CSRC/Media/images/favicons/browserconfig.xml"/> <meta name="theme-color" content="#000000"/> <meta name="google-site-verification" content="xbrnrVYDgLD-Bd64xHLCt4XsPXzUhQ-4lGMj4TdUUTA"/> <meta name="description" content="NIST has released a revised publication, 'Cybersecurity Supply Chain Risk Management Practices for Systems and Organizations,' NIST Special Publication 800-161r1."/> <!-- dcterms meta information --> <meta name="dcterms.title" content="C-SCRM Guidance: NIST SP 800-161r1 | CSRC"/> <meta name="dcterms.description" content="NIST has released a revised publication, 'Cybersecurity Supply Chain Risk Management Practices for Systems and Organizations,' NIST Special Publication 800-161r1."/> <meta name="dcterms.creator" content="Computer Security Division, Information Technology Laboratory, National Institute of Standards and Technology, U.S. Department of Commerce"/> <meta name="dcterms.date" scheme="ISO8601" content="2022-05-05"/> <meta name="dcterms.date.created" scheme="ISO8601" content="2022-05-04"/> <meta name="dcterms.date.reviewed" scheme="ISO8601" content="2022-05-05"/> <meta name="dcterms.language" scheme="DCTERMS.RFC1766" content="EN-US"/> <!-- Facebook OpenGraph Tags --> <meta name="og:site_name" content="CSRC | NIST"/> <meta name="og:type" content="article"/> <meta name="og:url" content="https://web.archive.org/web/20231004100832im_/https://csrc.nist.gov/News/2022/c-scrm-guidance-nist-sp-800-161r1"/> <meta name="og:title" content="C-SCRM Guidance: NIST SP 800-161r1 | CSRC"/> <meta name="og:description" content="NIST has released a revised publication, 'Cybersecurity Supply Chain Risk Management Practices for Systems and Organizations,' NIST Special Publication 800-161r1."/> <meta name="article:tag" content="acquisition; cybersecurity supply chain risk management; Executive Order 14028"/> <meta name="article:published_time" content="2022-05-04"/> <meta name="article:modified_time" content="2022-05-05"/> <meta name="og:image" content="https://web.archive.org/web/20231004100832im_/https://csrc.nist.gov/CSRC/media/images/CSRC-logo-open-graph.png"/> <link rel="apple-touch-icon" sizes="180x180" href="/web/20231004100832im_/https://csrc.nist.gov/images/icons/apple-touch-icon.png"/> <link rel="icon" type="image/png" href="/web/20231004100832im_/https://csrc.nist.gov/images/icons/favicon-32x32.png" sizes="32x32"/> <link rel="icon" type="image/png" href="/web/20231004100832im_/https://csrc.nist.gov/images/icons/favicon-16x16.png" sizes="16x16"/> <link rel="manifest" href="/web/20231004100832/https://csrc.nist.gov/images/icons/manifest.json"/> <link rel="mask-icon" href="/web/20231004100832im_/https://csrc.nist.gov/images/icons/safari-pinned-tab.svg" color="#000000"/> <link href="/web/20231004100832im_/https://csrc.nist.gov/CSRC/Media/images/favicons/favicon.ico" type="image/x-icon" rel="shortcut icon"/> <link href="/web/20231004100832im_/https://csrc.nist.gov/CSRC/Media/images/favicons/favicon.ico" type="image/x-icon" rel="icon"/> <link href="/web/20231004100832cs_/https://csrc.nist.gov/dist/app.css" rel="stylesheet"/> <!-- reCAPTCHA v3 --> <style> .grecaptcha-badge { visibility: hidden; } </style> <script async type="text/javascript" id="_fed_an_ua_tag" src="https://web.archive.org/web/20231004100832js_/https://dap.digitalgov.gov/Universal-Federated-Analytics-Min.js?agency=nist&subagency=csrc&pua=UA-66610693-15&yt=true&exts=xsd,xml,wav,mpg,mpeg,avi,rtf,webm,ogg,ogv,oga,map,otf,eot,svg,ttf,woff"></script> <style id="antiClickjackCss"> body > * { display: none !important; } #antiClickjack { display: block !important; } </style> <noscript> <style id="antiClickjackNoScript"> body > * { display: block !important; } #antiClickjack { display: none !important; } </style> </noscript> <script type="text/javascript" id="antiClickjackScript"> if (self === top) { // no clickjacking var antiClickjack = document.getElementById("antiClickjackCss"); antiClickjack.parentNode.removeChild(antiClickjack); } else { setTimeout(tryForward(), 5000); } function tryForward() { top.location = self.location; } </script> <!-- Google tag (gtag.js) --> <script async src="https://web.archive.org/web/20231004100832js_/https://www.googletagmanager.com/gtag/js?id=G-TSQ0PLGJZP"></script> <script> window.dataLayer = window.dataLayer || []; function gtag(){dataLayer.push(arguments);} gtag('js', new Date()); gtag('config', 'G-TSQ0PLGJZP'); </script> </head> <body> <div id="antiClickjack" style="display: none;"> <strong style="font-size: 1.6rem;">You are viewing this page in an unauthorized frame window.</strong> <p>This is a potential security issue, you are being redirected to <a href="https://web.archive.org/web/20231004100832/https://csrc.nist.gov/">https://csrc.nist.gov</a>.</p> </div> <section class="usa-banner" aria-label="Official government website"> <div class="usa-accordion container"> <header class="usa-banner__header"> <noscript> <p style="font-size: 0.85rem; font-weight: bold;">You have JavaScript disabled. This site requires JavaScript to be enabled for complete site functionality.</p> </noscript> <img class="usa-banner__header-flag" src="/web/20231004100832im_/https://csrc.nist.gov/images/usbanner/us_flag_small.png" alt="U.S. flag"> <span class="usa-banner__header-text">An official website of the United States government</span> <button id="gov-banner-button" class="usa-accordion__button usa-banner__button" data-toggle="collapse" data-target="#gov-banner" aria-expanded="true" aria-controls="gov-banner"> <span class="usa-banner__button-text">Here's how you know</span> </button> </header> <div class="usa-banner__content usa-accordion__content collapse in" role="tabpanel" id="gov-banner" aria-expanded="true"> <div class="row"> <div class="col-md-5 col-sm-12"> <div class="row"> <div class="col-sm-2 col-xs-3"> <img class="usa-banner__icon usa-media-block__img" src="/web/20231004100832im_/https://csrc.nist.gov/images/usbanner/icon-dot-gov.svg" alt="Dot gov"> </div> <div class="col-sm-10 col-xs-9"> <p> <strong>Official websites use .gov</strong> <br> A <strong>.gov</strong> website belongs to an official government organization in the United States. </p> </div> </div> </div> <div class="col-md-5 col-sm-12"> <div class="row"> <div class="col-sm-2 col-xs-3"> <img class="usa-banner__icon usa-media-block__img" src="/web/20231004100832im_/https://csrc.nist.gov/images/usbanner/icon-https.svg" alt="Https"> </div> <div class="col-sm-10 col-xs-9"> <p> <strong>Secure .gov websites use HTTPS</strong> <br> A <strong>lock</strong> (<img class="usa-banner__lock" src="/web/20231004100832im_/https://csrc.nist.gov/images/usbanner/lock.svg" alt="Dot gov">) or <strong>https://</strong> means you've safely connected to the .gov website. Share sensitive information only on official, secure websites. </p> </div> </div> </div> </div> </div> </div> </section> <nav id="navbar" class="navbar"> <div id="nist-menu-container" class="container"> <div class="row"> <!-- Brand --> <div class="col-xs-6 col-md-4 navbar-header"> <a class="navbar-brand" href="https://web.archive.org/web/20231004100832/https://www.nist.gov/" target="_blank" id="navbar-brand-image"> <img src="/web/20231004100832im_/https://csrc.nist.gov/CSRC/media/images/svg/nist-logo.svg" alt="National Institute of Standards and Technology" width="110" height="30"> </a> </div> <div class="col-xs-6 col-md-8 navbar-nist-logo"> <div class="form-inline hidden-sm hidden-xs"> <form name="site-search" id="site-search-form" action="/web/20231004100832/https://csrc.nist.gov/search" method="GET"> <label for="search-csrc-query" class="element-invisible">Search</label> <input autocomplete="off" class="form-control" id="search-csrc-query" name="keywords" type="text" size="15" maxlength="128" placeholder="Search CSRC"/> <input type="hidden" name="ipp" value="25"/> <input type="hidden" name="sortBy" value="relevance"/> <input type="hidden" name="showOnly" value="publications,projects,news,events,presentations,glossary,topics"/> <input type="hidden" name="topicsMatch" value="ANY"/> <input type="hidden" name="status" value="Final,Draft"/> <button type="submit" id="search-csrc-submit-btn" class="form-submit"> <span class="element-invisible">Search</span> <i class="fa fa-search"></i> </button> </form> </div> <span id="nvd-menu-button" class="pull-right"> <a href="#" id="nvd-menu-button-link"> <span class="fa fa-bars"></span> <span id="nvd-menu-full-text">CSRC MENU</span> </a> </span> </div> </div> </div> <div class="form-inline hidden-md hidden-lg"> <form name="site-search-mobile" id="site-search-form-mobile" action="/web/20231004100832/https://csrc.nist.gov/search" method="GET"> <label for="search-csrc-query-mobile" class="element-invisible">Search</label> <input autocomplete="off" class="form-control" id="search-csrc-query-mobile" name="keywords" type="text" size="15" maxlength="128" placeholder="Search CSRC"/> <button type="submit" id="search-csrc-submit-btn-mobile" class="form-submit"> <span class="element-invisible">Search</span> <i class="fa fa-search"></i> </button> </form> </div> <div class="main-menu-row container"> <!-- Collect the nav links, forms, and other content for toggling --> <div id="main-menu-drop" class="col-lg-12" style="display: none;"> <ul> <li><a href="/web/20231004100832/https://csrc.nist.gov/projects">Projects</a></li> <li> <a href="/web/20231004100832/https://csrc.nist.gov/publications"> Publications <span class="expander fa fa-plus" id="main-menu-pubs-expander" data-expander-name="publications" data-expanded="false"> <span class="element-invisible">Expand or Collapse</span> </span> </a> <div style="display: none;" class="sub-menu" data-expander-trigger="publications" id="main-menu-pubs-expanded"> <div class="row"> <div class="col-lg-4"> <p><a href="/web/20231004100832/https://csrc.nist.gov/publications/drafts-open-for-comment">Drafts for Public Comment</a></p> <p><a href="/web/20231004100832/https://csrc.nist.gov/publications/draft-pubs">All Public Drafts</a></p> <p><a href="/web/20231004100832/https://csrc.nist.gov/publications/final-pubs">Final Pubs</a></p> <p><a href="/web/20231004100832/https://csrc.nist.gov/publications/fips">FIPS <small>(standards)</small></a></p> </div> <div class="col-lg-4"> <p><a href="/web/20231004100832/https://csrc.nist.gov/publications/sp">Special Publications (SP<small>s</small>)</a></p> <p><a href="/web/20231004100832/https://csrc.nist.gov/publications/ir">IR <small>(interagency/internal reports)</small></a></p> <p><a href="/web/20231004100832/https://csrc.nist.gov/publications/cswp">CSWP <small>(cybersecurity white papers)</small></a></p> <p><a href="/web/20231004100832/https://csrc.nist.gov/publications/itl-bulletin">ITL Bulletins</a></p> </div> <div class="col-lg-4"> <p><a href="/web/20231004100832/https://csrc.nist.gov/publications/project-description">Project Descriptions</a></p> <p><a href="/web/20231004100832/https://csrc.nist.gov/publications/journal-article">Journal Articles</a></p> <p><a href="/web/20231004100832/https://csrc.nist.gov/publications/conference-paper">Conference Papers</a></p> <p><a href="/web/20231004100832/https://csrc.nist.gov/publications/book">Books</a></p> </div> </div> </div> </li> <li> <a href="/web/20231004100832/https://csrc.nist.gov/topics"> Topics <span class="expander fa fa-plus" id="main-menu-topics-expander" data-expander-name="topics" data-expanded="false"> <span class="element-invisible">Expand or Collapse</span> </span> </a> <div style="display: none;" class="sub-menu" data-expander-trigger="topics" id="main-menu-topics-expanded"> <div class="row"> <div class="col-lg-4"> <p><a href="/web/20231004100832/https://csrc.nist.gov/Topics/Security-and-Privacy">Security & Privacy</a></p> <p><a href="/web/20231004100832/https://csrc.nist.gov/Topics/Applications">Applications</a></p> </div> <div class="col-lg-4"> <p><a href="/web/20231004100832/https://csrc.nist.gov/Topics/Technologies">Technologies</a></p> <p><a href="/web/20231004100832/https://csrc.nist.gov/Topics/Sectors">Sectors</a></p> </div> <div class="col-lg-4"> <p><a href="/web/20231004100832/https://csrc.nist.gov/Topics/Laws-and-Regulations">Laws & Regulations</a></p> <p><a href="/web/20231004100832/https://csrc.nist.gov/Topics/Activities-and-Products">Activities & Products</a></p> </div> </div> </div> </li> <li><a href="/web/20231004100832/https://csrc.nist.gov/news">News & Updates</a></li> <li><a href="/web/20231004100832/https://csrc.nist.gov/events">Events</a></li> <li><a href="/web/20231004100832/https://csrc.nist.gov/glossary">Glossary</a></li> <li> <a href="/web/20231004100832/https://csrc.nist.gov/about"> About CSRC <span class="expander fa fa-plus" id="main-menu-about-expander" data-expander-name="about" data-expanded="false"> <span class="element-invisible">Expand or Collapse</span> </span> </a> <div style="display: none;" class="sub-menu" data-expander-trigger="about" id="main-menu-about-expanded"> <div class="row"> <div class="col-lg-6"> <p> <strong><a href="/web/20231004100832/https://csrc.nist.gov/Groups/Computer-Security-Division">Computer Security Division</a></strong><br/> <ul> <li><a href="/web/20231004100832/https://csrc.nist.gov/Groups/Computer-Security-Division/Cryptographic-Technology">Cryptographic Technology</a></li> <li><a href="/web/20231004100832/https://csrc.nist.gov/Groups/Computer-Security-Division/Secure-Systems-and-Applications">Secure Systems and Applications</a></li> <li><a href="/web/20231004100832/https://csrc.nist.gov/Groups/Computer-Security-Division/Security-Components-and-Mechanisms">Security Components and Mechanisms</a></li> <li><a href="/web/20231004100832/https://csrc.nist.gov/Groups/Computer-Security-Division/Security-Engineering-and-Risk-Management">Security Engineering and Risk Management</a></li> <li><a href="/web/20231004100832/https://csrc.nist.gov/Groups/Computer-Security-Division/Security-Testing-Validation-and-Measurement">Security Testing, Validation, and Measurement</a></li> </ul> </p> </div> <div class="col-lg-6"> <p> <strong><a href="/web/20231004100832/https://csrc.nist.gov/Groups/Applied-Cybersecurity-Division">Applied Cybersecurity Division</a></strong><br/> <ul> <li><a href="/web/20231004100832/https://csrc.nist.gov/Groups/Applied-Cybersecurity-Division/Cybersecurity-and-Privacy-Applications">Cybersecurity and Privacy Applications</a></li> <li><a href="/web/20231004100832/https://csrc.nist.gov/Groups/Applied-Cybersecurity-Division/National-Cybersecurity-Center-of-Excellence">National Cybersecurity Center of Excellence (NCCoE)</a></li> <li><a href="https://web.archive.org/web/20231004100832/https://www.nist.gov/nice/">National Initiative for Cybersecurity Education (NICE)</a></li> </ul> </p> <p> <a href="/web/20231004100832/https://csrc.nist.gov/contact"> Contact Us </a> </p> </div> </div> </div> </li> </ul> </div><!-- /#mobile-nav-container --> </div> </nav> <section id="itl-header" class="has-menu"> <div class="container"> <div class="row"> <div class="col-sm-12 col-md-8"> <div class="hidden-xs hidden-sm" id="itl-header-lg"> <a href="https://web.archive.org/web/20231004100832/https://www.nist.gov/itl" target="_blank" id="itl-header-link">Information Technology Laboratory</a> </div> <div class="hidden-xs hidden-sm" id="csrc-header-lg"> <a href="/web/20231004100832/https://csrc.nist.gov/" id="csrc-header-link-lg">Computer Security Resource Center</a> </div> </div> <div class="col-sm-12 col-md-4"> <div class="hidden-xs hidden-sm hidden-md"> <a id="logo-csrc-lg" href="/web/20231004100832/https://csrc.nist.gov/"><img id="img-logo-csrc-lg" src="/web/20231004100832im_/https://csrc.nist.gov/CSRC/Media/images/nist-logo-csrc-white.svg" alt="CSRC Logo" class="csrc-header-logo"></a> </div> <div class="hidden-lg"> <a id="logo-csrc-sm" href="/web/20231004100832/https://csrc.nist.gov/"><img id="img-logo-csrc-sm" src="/web/20231004100832im_/https://csrc.nist.gov/CSRC/Media/images/nist-logo-csrc-white.svg" alt="CSRC Logo" class="csrc-header-logo"></a> </div> </div> </div> </div> </section> <div id="body-section" class="container"> <div class="breadcrumb"> <a href="/web/20231004100832/https://csrc.nist.gov/news" class="breadcrumb-link">Updates</a> <a href="/web/20231004100832/https://csrc.nist.gov/news/2022" class="breadcrumb-link">2022</a> </div> <div class="row"> <div class="col-lg-12"> <h1 id="news-title"> New EO Guidance for Cybersecurity Supply Chain Risk Management <br/> <small id="news-date">May 05, 2022</small> </h1> <div class="page-social-buttons" id=""news-social-buttons""> <a href="https://web.archive.org/web/20231004100832/https://www.facebook.com/sharer/sharer.php?u=https%3A%2F%2Fcontent.csrc.e1c.nist.gov%2Fnews%2F2022%2Fc-scrm-guidance-nist-sp-800-161r1" class="social-facebook"><i class="fa fa-facebook fa-fw" aria-hidden="true"></i><span class="sr-only">Share to Facebook</span></a> <a href="https://web.archive.org/web/20231004100832/https://twitter.com/share?url=https%3A%2F%2Fcontent.csrc.e1c.nist.gov%2Fnews%2F2022%2Fc-scrm-guidance-nist-sp-800-161r1" class="social-twitter"><i class="fa fa-twitter fa-fw" aria-hidden="true"></i><span class="sr-only">Share to Twitter</span></a> </div> </div> </div> <div class="row"> <div class="col-lg-8 col-md-12" id="news-content"> <p>NIST has released a revision of <em>Cybersecurity Supply Chain Risk Management Practices for Systems and Organizations (<a href="https://web.archive.org/web/20231004100832/https://doi.org/10.6028/NIST.SP.800-161r1">NIST Special Publication 800-161 Revision 1</a>)</em>. This document updates guidance on identifying, assessing, and responding to cybersecurity risks throughout the supply chain at all levels of an organization. Among other things, it helps to fulfill <a href="https://web.archive.org/web/20231004100832/https://www.nist.gov/itl/executive-order-14028-improving-nations-cybersecurity">NIST’s responsibilities under the 2021 Executive Order (EO)</a> on Improving the Nation’s Cybersecurity which address increasing software security risks throughout the supply chain. <strong>That part of the revised publication, Appendix F, covers sections 4(c) and (d) of the EO and is available only on NIST’s EO website <a href="https://web.archive.org/web/20231004100832/https://www.nist.gov/itl/executive-order-14028-improving-nations-cybersecurity/software-security-supply-chains">HERE</a>.</strong></p> <p>The publication offers key practices for organizations to adopt as they develop their capability to manage cybersecurity risks within and across their supply chains. It also encourages organizations to consider the vulnerabilities not only of a finished product they are considering using, but also of its individual components — which may have been developed elsewhere — and the journey those components took to reach their destination. The development of this document follows two earlier draft revisions.</p> <p>The publication is available <a href="https://web.archive.org/web/20231004100832/https://doi.org/10.6028/NIST.SP.800-161r1">HERE</a> and today’s NIST news release is available <a href="https://web.archive.org/web/20231004100832/https://www.nist.gov/news-events/news/2022/05/nist-updates-cybersecurity-guidance-supply-chain-risk-management">HERE</a>. Questions about the publication can be submitted via <a href="https://web.archive.org/web/20231004100832/mailto:scrm-nist@nist.gov">scrm-nist@nist.gov</a>.</p> <p><strong><a data-csrc-link="true" data-node-guid="d1808e0e-da98-44eb-aa47-7fab36b84cdb" href="/web/20231004100832/https://csrc.nist.gov/projects/cyber-supply-chain-risk-management">LEARN MORE!</a></strong></p> <p> </p> </div> <div class="col-lg-4 col-md-12"> <div class="bs-callout bs-callout-success" id="parent-project-callout"> <h4>Parent Project</h4> <span id="parent-container-0">See: <a href="/web/20231004100832/https://csrc.nist.gov/Projects/cyber-supply-chain-risk-management" id="parent-link-0">Cybersecurity Supply Chain Risk Management</a><br/></span> </div> <div class="bs-callout bs-callout-danger" id="categories-topics-callout"> <h4><i class="fa fa-tag"></i> Related Topics</h4> <p> <strong id="cat-0">Security and Privacy:</strong> <a href="/web/20231004100832/https://csrc.nist.gov/Topics/Security-and-Privacy/security-programs-and-operations/acquisition" id="topic-0-0">acquisition</a>, <a href="/web/20231004100832/https://csrc.nist.gov/Topics/Security-and-Privacy/cyber-supply-chain-risk-management" id="topic-0-1">cybersecurity supply chain risk management</a> </p> <p> <strong id="cat-1">Laws and Regulations:</strong> <a href="/web/20231004100832/https://csrc.nist.gov/Topics/Laws-and-Regulations/executive-documents/Executive-Order-14028" id="topic-1-0">Executive Order 14028</a> </p> </div> </div> </div> <div class="row"> <div class="col-md-12 historical-data-area" id="historical-data-area"> <span>Created <span id="page-created-date">May 04, 2022</span>, Updated <span id="page-updated-date">May 05, 2022</span></span> </div> </div> <div id="footer-pusher"></div> </div> <footer id="footer"> <div class="container"> <div class="row"> <div class="col-sm-6"> <span class="hidden-xs"> <a href="https://web.archive.org/web/20231004100832/https://www.nist.gov/" title="National Institute of Standards and Technology" rel="home" target="_blank" class="footer-nist-logo" id="footer-nist-logo-link"> <img src="/web/20231004100832im_/https://csrc.nist.gov/CSRC/Media/images/nist-logo-brand-white.svg" alt="National Institute of Standards and Technology logo" id="footer-nist-logo"/> </a> </span> <div class="row footer-contact-container"> <div class="col-sm-12" id="footer-address"> <strong>HEADQUARTERS</strong><br> 100 Bureau Drive<br> Gaithersburg, MD 20899 </div> </div> </div> <div class="col-sm-6"> <ul class="social-list text-right" style="display: block;"> <li class="field-item service-twitter list-horiz"> <a href="https://web.archive.org/web/20231004100832/https://twitter.com/NISTCyber" class="social-btn social-btn--large extlink ext" id="footer-social-twitter-link"> <i class="fa fa-twitter fa-fw"><span class="element-invisible">twitter</span></i><span class="ext"><span class="element-invisible"> (link is external)</span></span> </a> </li> <li class="field-item service-facebook list-horiz"> <a href="https://web.archive.org/web/20231004100832/https://www.facebook.com/NIST" class="social-btn social-btn--large extlink ext" id="footer-social-facebook-link"> <i class="fa fa-facebook fa-fw"><span class="element-invisible">facebook</span></i><span class="ext"><span class="element-invisible"> (link is external)</span></span> </a> </li> <li class="field-item service-linkedin list-horiz"> <a href="https://web.archive.org/web/20231004100832/https://www.linkedin.com/company/nist" class="social-btn social-btn--large extlink ext" id="footer-social-linkedin-link"> <i class="fa fa-linkedin fa-fw"><span class="element-invisible">linkedin</span></i><span class="ext"><span class="element-invisible"> (link is external)</span></span> </a> </li> <li class="field-item service-instagram list-horiz"> <a href="https://web.archive.org/web/20231004100832/https://www.instagram.com/usnistgov/" class="social-btn social-btn--large extlink ext" id="footer-social-instagram-link"> <i class="fa fa-instagram fa-fw"><span class="element-invisible">instagram</span></i> <span class="ext"><span class="element-invisible"> (link is external)</span></span> </a> </li> <li class="field-item service-youtube list-horiz"> <a href="https://web.archive.org/web/20231004100832/https://www.youtube.com/user/USNISTGOV" class="social-btn social-btn--large extlink ext" id="footer-social-youtube-link"> <i class="fa fa-youtube fa-fw"><span class="element-invisible">youtube</span></i><span class="ext"><span class="element-invisible"> (link is external)</span></span> </a> </li> <li class="field-item service-rss list-horiz"> <a href="https://web.archive.org/web/20231004100832/https://www.nist.gov/news-events/nist-rss-feeds" class="social-btn social-btn--large extlink" id="footer-social-rss-link"> <i class="fa fa-rss fa-fw"><span class="element-invisible">rss</span></i> </a> </li> <li class="field-item service-govdelivery list-horiz last"> <a href="https://web.archive.org/web/20231004100832/https://public.govdelivery.com/accounts/USNIST/subscriber/new?qsp=USNIST_3" class="social-btn social-btn--large extlink ext" title="Subscribe to CSRC and publication updates, and other NIST cybersecurity news" id="footer-social-govdelivery-link"> <i class="fa fa-envelope fa-fw"><span class="element-invisible">govdelivery</span></i><span class="ext"><span class="element-invisible"> (link is external)</span></span> </a> </li> </ul> <p class="text-right"> Want updates about CSRC and our publications? <a href="https://web.archive.org/web/20231004100832/https://public.govdelivery.com/accounts/USNIST/subscriber/new?qsp=USNIST_3" class="btn btn-lg btn-primary" style="background-color: #12659c!important; border-color: #12659c!important;" id="footer-subscribe-link">Subscribe</a> </p> </div> </div> <div class="row hidden-sm hidden-md hidden-lg"> <div class="col-sm-12"> <a href="https://web.archive.org/web/20231004100832/https://www.nist.gov/" title="National Institute of Standards and Technology" rel="home" target="_blank" class="footer-nist-logo" id="footer-bottom-nist-logo-link"> <img src="/web/20231004100832im_/https://csrc.nist.gov/CSRC/Media/images/logo_rev.png" alt="National Institute of Standards and Technology logo" id="footer-bottom-nist-logo"/> </a> </div> </div> <div class="row"> <div class="col-sm-6"> <p> <a href="/web/20231004100832/https://csrc.nist.gov/about/contact" id="footer-contact-us-link">Contact Us</a> | <a href="https://web.archive.org/web/20231004100832/https://www.nist.gov/about-nist/our-organization" style="display: inline-block;" id="footer-org-link">Our Other Offices</a> </p> </div> <div class="col-sm-6"> <span class="pull-right text-right"> Send inquiries to <a href="https://web.archive.org/web/20231004100832/mailto:csrc-inquiry@nist.gov?subject=CSRC Inquiry" style="display: inline-block;" id="footer-inquiries-link">csrc-inquiry@nist.gov</a> </span> </div> </div> <div class="row"> <div class="footer-bottom-links-container" id="footer-bottom-links-container"> <ul> <li><a href="https://web.archive.org/web/20231004100832/https://www.nist.gov/privacy-policy">Site Privacy</a></li> <li><a href="https://web.archive.org/web/20231004100832/https://www.nist.gov/oism/accessibility">Accessibility</a></li> <li><a href="https://web.archive.org/web/20231004100832/https://www.nist.gov/privacy">Privacy Program</a></li> <li><a href="https://web.archive.org/web/20231004100832/https://www.nist.gov/oism/copyrights">Copyrights</a></li> <li><a href="https://web.archive.org/web/20231004100832/https://www.commerce.gov/vulnerability-disclosure-policy">Vulnerability Disclosure</a></li> <li><a href="https://web.archive.org/web/20231004100832/https://www.nist.gov/no-fear-act-policy">No Fear Act Policy</a></li> <li><a href="https://web.archive.org/web/20231004100832/https://www.nist.gov/foia">FOIA</a></li> <li><a href="https://web.archive.org/web/20231004100832/https://www.nist.gov/environmental-policy-statement">Environmental Policy</a></li> <li><a href="https://web.archive.org/web/20231004100832/https://www.nist.gov/summary-report-scientific-integrity">Scientific Integrity</a></li> <li><a href="https://web.archive.org/web/20231004100832/https://www.nist.gov/nist-information-quality-standards">Information Quality Standards</a></li> <li><a href="https://web.archive.org/web/20231004100832/https://www.commerce.gov/">Commerce.gov</a></li> <li><a href="https://web.archive.org/web/20231004100832/https://www.science.gov/">Science.gov</a></li> <li><a href="https://web.archive.org/web/20231004100832/https://www.usa.gov/">USA.gov</a></li> <li><a href="https://web.archive.org/web/20231004100832/https://vote.gov/">Vote.gov</a></li> </ul> </div> </div> </div> </footer> <script type="text/javascript" src="/web/20231004100832js_/https://csrc.nist.gov/dist/js/quick-collapse.js"></script> <script type="text/javascript" src="/web/20231004100832js_/https://csrc.nist.gov/dist/app.bundle.js"></script> </body> </html> <!-- FILE ARCHIVED ON 10:08:32 Oct 04, 2023 AND RETRIEVED FROM THE INTERNET ARCHIVE ON 03:10:00 Feb 27, 2025. JAVASCRIPT APPENDED BY WAYBACK MACHINE, COPYRIGHT INTERNET ARCHIVE. ALL OTHER CONTENT MAY ALSO BE PROTECTED BY COPYRIGHT (17 U.S.C. SECTION 108(a)(3)). --> <!-- playback timings (ms): captures_list: 0.756 exclusion.robots: 0.035 exclusion.robots.policy: 0.02 esindex: 0.012 cdx.remote: 3.786 LoadShardBlock: 161.475 (3) PetaboxLoader3.datanode: 77.355 (4) PetaboxLoader3.resolve: 206.455 (3) load_resource: 148.673 -->