Encrypt Sensitive Information, Mitigation M0941 - ICS

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class="jumbotron jumbotron-fluid"> <div class="container-fluid"> <h1> Encrypt Sensitive Information </h1> <div class="row"> <div class="col-md-8"> <div class="description-body"> <p>Protect sensitive data-at-rest with strong encryption.</p> </div> </div> <div class="col-md-4"> <div class="card"> <div class="card-body"> <div class="card-data"><span class="h5 card-title">ID:</span> M0941</div> <div class="card-data"> <span class="h5 card-title">Security Controls: </span>IEC 62443-3-3:2013 - SR 4.1, IEC 62443-4-2:2019 - CR 4.1, NIST SP 800-53 Rev. 5 - SC-28 </div> <div class="card-data"><span class="h5 card-title">Version:</span> 1.0</div> <div class="card-data"><span class="h5 card-title">Created: </span>11 June 2019</div> <div class="card-data"><span class="h5 card-title">Last Modified: </span>19 September 2023</div> </div> </div> <div class="text-center pt-2 version-button permalink"> <div class="live"> <a data-toggle="tooltip" data-placement="bottom" title="Permalink to this version of M0941" href="/versions/v16/mitigations/M0941/" data-test-ignore="true">Version Permalink</a> </div> <div class="permalink"> <a data-toggle="tooltip" data-placement="bottom" title="Go to the live version of M0941" href="/mitigations/M0941/" data-test-ignore="true">Live Version</a> </div> </div> </div> </div>  <div class="dropdown h3 mt-3 float-right"> <button class="btn btn-navy dropdown-toggle" type="button" id="dropdownMenuButton" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false"> <b>ATT&CK<sup>®</sup> Navigator Layers</b> </button> <div class="dropdown-menu" aria-labelledby="dropdownMenuButton"> <h6 class="dropdown-header">ICS Layer</h6> <a class="dropdown-item" href="/versions/v16/mitigations/M0941/M0941-ics-layer.json" download target="_blank">download</a>  <a class="dropdown-item" href="#" id="view-layer-on-navigator-ics" target="_blank">view <img width="10" src="/versions/v16/theme/images/external-site-dark.jpeg"></a> <script src="/versions/v16/theme/scripts/settings.js"></script> <script> if (window.location.protocol == "https:") { //view on navigator only works when this site is hosted on HTTPS var layerURL = window.location.protocol + "//" + window.location.host + base_url + "mitigations/M0941/M0941-ics-layer.json"; document.getElementById("view-layer-on-navigator-ics").href = "https://mitre-attack.github.io/attack-navigator//#layerURL=" + encodeURIComponent(layerURL); } else { //hide button document.getElementById("view-layer-on-navigator-ics").classList.add("d-none"); } </script> </div> </div>  <h2 class="pt-3 mb-2" id="techniques">Techniques Addressed by Mitigation</h2> <div class="tables-mobile"> <table class="table techniques-used background table-bordered"> <thead> <tr> <th class="p-2" scope="col">Domain</th> <th class="p-2" colspan="2">ID</th> <th class="p-2" scope="col">Name</th> <th class="p-2" scope="col">Use</th> </tr> </thead> <tbody> <tr class="technique ics" id="ics"> <td> ICS </td> <td colspan="2"> <a href="/versions/v16/techniques/T0811">T0811</a> </td> <td> <a href="/versions/v16/techniques/T0811">Data from Information Repositories</a> </td> <td> <p>Information which is sensitive to the operation and architecture of the process environment may be encrypted to ensure confidentiality and restrict access to only those who need to know. <span onclick=scrollToRef('scite-1') id="scite-ref-1-a" class="scite-citeref-number" title="Keith Stouffer 2015, May Guide to Industrial Control Systems (ICS) Security Retrieved. 2018/03/28 "data-reference="Keith Stouffer May 2015"><sup><a href="https://nvlpubs.nist.gov/nistpubs/SpecialPublications/NIST.SP.800-82r2.pdf" target="_blank" data-hasqtip="0" aria-describedby="qtip-0">[1]</a></sup></span> <span onclick=scrollToRef('scite-2') id="scite-ref-2-a" class="scite-citeref-number" title="National Institute of Standards and Technology 2013, April Security and Privacy Controls for Federal Information Systems and Organizations Retrieved. 2020/09/17 "data-reference="National Institute of Standards and Technology April 2013"><sup><a href="https://nvlpubs.nist.gov/nistpubs/SpecialPublications/NIST.SP.800-53r4.pdf" target="_blank" data-hasqtip="1" aria-describedby="qtip-1">[2]</a></sup></span></p> </td> </tr> <tr class="technique ics" id="ics"> <td> ICS </td> <td colspan="2"> <a href="/versions/v16/techniques/T0893">T0893</a> </td> <td> <a href="/versions/v16/techniques/T0893">Data from Local System</a> </td> <td> <p>Information which is sensitive to the operation and architecture of the process environment may be encrypted to ensure confidentiality and restrict access to only those who need to know. <span onclick=scrollToRef('scite-1') id="scite-ref-1-a" class="scite-citeref-number" title="Keith Stouffer 2015, May Guide to Industrial Control Systems (ICS) Security Retrieved. 2018/03/28 "data-reference="Keith Stouffer May 2015"><sup><a href="https://nvlpubs.nist.gov/nistpubs/SpecialPublications/NIST.SP.800-82r2.pdf" target="_blank" data-hasqtip="0" aria-describedby="qtip-0">[1]</a></sup></span> <span onclick=scrollToRef('scite-2') id="scite-ref-2-a" class="scite-citeref-number" title="National Institute of Standards and Technology 2013, April Security and Privacy Controls for Federal Information Systems and Organizations Retrieved. 2020/09/17 "data-reference="National Institute of Standards and Technology April 2013"><sup><a href="https://nvlpubs.nist.gov/nistpubs/SpecialPublications/NIST.SP.800-53r4.pdf" target="_blank" data-hasqtip="1" aria-describedby="qtip-1">[2]</a></sup></span></p> </td> </tr> <tr class="technique ics" id="ics"> <td> ICS </td> <td colspan="2"> <a href="/versions/v16/techniques/T0839">T0839</a> </td> <td> <a href="/versions/v16/techniques/T0839">Module Firmware</a> </td> <td> <p>The encryption of firmware should be considered to prevent adversaries from identifying possible vulnerabilities within the firmware.</p> </td> </tr> <tr class="technique ics" id="ics"> <td> ICS </td> <td colspan="2"> <a href="/versions/v16/techniques/T0873">T0873</a> </td> <td> <a href="/versions/v16/techniques/T0873">Project File Infection</a> </td> <td> <p>When at rest, project files should be encrypted to prevent unauthorized changes. <span onclick=scrollToRef('scite-2') id="scite-ref-2-a" class="scite-citeref-number" title="National Institute of Standards and Technology 2013, April Security and Privacy Controls for Federal Information Systems and Organizations Retrieved. 2020/09/17 "data-reference="National Institute of Standards and Technology April 2013"><sup><a href="https://nvlpubs.nist.gov/nistpubs/SpecialPublications/NIST.SP.800-53r4.pdf" target="_blank" data-hasqtip="1" aria-describedby="qtip-1">[2]</a></sup></span></p> </td> </tr> <tr class="technique ics" id="ics"> <td> ICS </td> <td colspan="2"> <a href="/versions/v16/techniques/T0857">T0857</a> </td> <td> <a href="/versions/v16/techniques/T0857">System Firmware</a> </td> <td> <p>The encryption of firmware should be considered to prevent adversaries from identifying possible vulnerabilities within the firmware.</p> </td> </tr> <tr class="technique ics" id="ics"> <td> ICS </td> <td colspan="2"> <a href="/versions/v16/techniques/T0882">T0882</a> </td> <td> <a href="/versions/v16/techniques/T0882">Theft of Operational Information</a> </td> <td> <p>Encrypt any operational data with strong confidentiality requirements, including organizational trade-secrets, recipes, and other intellectual property (IP).</p> </td> </tr> <tr class="technique ics" id="ics"> <td> ICS </td> <td colspan="2"> <a href="/versions/v16/techniques/T0864">T0864</a> </td> <td> <a href="/versions/v16/techniques/T0864">Transient Cyber Asset</a> </td> <td> <p>Consider implementing full disk encryption, especially if engineering workstations are transient assets that are more likely to be lost, stolen, or tampered with. <span onclick=scrollToRef('scite-2') id="scite-ref-2-a" class="scite-citeref-number" title="National Institute of Standards and Technology 2013, April Security and Privacy Controls for Federal Information Systems and Organizations Retrieved. 2020/09/17 "data-reference="National Institute of Standards and Technology April 2013"><sup><a href="https://nvlpubs.nist.gov/nistpubs/SpecialPublications/NIST.SP.800-53r4.pdf" target="_blank" data-hasqtip="1" aria-describedby="qtip-1">[2]</a></sup></span></p> </td> </tr> </tbody> </table> </div> <h2 class="pt-3" id="references">References</h2> <div class="row"> <div class="col"> <ol> <li> <span id="scite-1" class="scite-citation"> <span class="scite-citation-text"> <a rel="nofollow" class="external text" name="scite-1" href="https://nvlpubs.nist.gov/nistpubs/SpecialPublications/NIST.SP.800-82r2.pdf" target="_blank"> Keith Stouffer 2015, May Guide to Industrial Control Systems (ICS) Security Retrieved. 2018/03/28 </a> </span> </span> </li> </ol> </div> <div class="col"> <ol start="2.0"> <li> <span id="scite-2" class="scite-citation"> <span class="scite-citation-text"> <a rel="nofollow" class="external text" name="scite-2" href="https://nvlpubs.nist.gov/nistpubs/SpecialPublications/NIST.SP.800-53r4.pdf" target="_blank"> National Institute of Standards and Technology 2013, April Security and Privacy Controls for Federal Information Systems and Organizations Retrieved. 2020/09/17 </a> </span> </span> </li> </ol> </div> </div> </div> </div> </div> </div> </div> </div>   <div class="overlay search" id="search-overlay" style="display: none;"> <div class="overlay-inner">  <div class="search-header"> <div class="search-input"> <input type="text" id="search-input" placeholder="search"> </div> <div class="search-icons"> <div class="search-parsing-icon spinner-border" style="display: none" id="search-parsing-icon"></div> <div class="close-search-icon" id="close-search-icon">×</div> </div> </div>  <div id="search-body" class="search-body"> <div class="results" id="search-results">  </div> <div id="load-more-results" 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