Out-of-Band Communications Channel, Mitigation M1060 - Enterprise

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More details about tickets and our CFP can be found <a href='https://na.eventscloud.com/attackcon6'>here</a> </div> </div> </div> <div class="row flex-grow-1 flex-shrink-0">   <div class="sidebar nav sticky-top flex-column pr-0 pt-4 pb-3 pl-3" id="v-tab" role="tablist" aria-orientation="vertical"> <div class="resizer" id="resizer"></div>  <div id="sidebars"></div>  </div> <div class="tab-content col-xl-9 pt-4" id="v-tabContent"> <div class="tab-pane fade show active" id="v-attckmatrix" role="tabpanel" aria-labelledby="v-attckmatrix-tab"> <ol class="breadcrumb"> <li class="breadcrumb-item"><a href="/versions/v16/">Home</a></li> <li class="breadcrumb-item"><a href="/versions/v16/mitigations">Mitigations</a></li> <li class="breadcrumb-item">Out-of-Band Communications Channel</li> </ol> <div class="tab-pane fade show active" id="v-" role="tabpanel" aria-labelledby="v--tab"></div> <div class="row"> <div class="col-xl-12"> <div class="jumbotron jumbotron-fluid"> <div class="container-fluid"> <h1> Out-of-Band Communications Channel </h1> <div class="row"> <div class="col-md-8"> <div class="description-body"> <p>Establish secure out-of-band communication channels to ensure the continuity of critical communications during security incidents, data integrity attacks, or in-network communication failures. Out-of-band communication refers to using an alternative, separate communication path that is not dependent on the potentially compromised primary network infrastructure. This method can include secure messaging apps, encrypted phone lines, satellite communications, or dedicated emergency communication systems. Leveraging these alternative channels reduces the risk of adversaries intercepting, disrupting, or tampering with sensitive communications and helps coordinate an effective incident response.<span onclick=scrollToRef('scite-1') id="scite-ref-1-a" class="scite-citeref-number" title="Tyler Hudak. (2022, December 29). To OOB, or Not to OOB?: Why Out-of-Band Communications are Essential for Incident Response. Retrieved August 30, 2024."data-reference="TrustedSec OOB Communications"><sup><a href="https://trustedsec.com/blog/to-oob-or-not-to-oob-why-out-of-band-communications-are-essential-for-incident-response" 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. (2020, September). Security and Privacy Controlsfor Information Systems and Organizations. Retrieved August 30, 2024."data-reference="NIST Special Publication 800-53 Revision 5"><sup><a href="https://nvlpubs.nist.gov/nistpubs/SpecialPublications/NIST.SP.800-53r5.pdf" target="_blank" data-hasqtip="1" aria-describedby="qtip-1">[2]</a></sup></span></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> M1060</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>30 August 2024</div> <div class="card-data"><span class="h5 card-title">Last Modified: </span>12 October 2024</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 M1060" href="/versions/v16/mitigations/M1060/" 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 M1060" href="/mitigations/M1060/" 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">Enterprise Layer</h6> <a class="dropdown-item" href="/versions/v16/mitigations/M1060/M1060-enterprise-layer.json" download target="_blank">download</a>  <a class="dropdown-item" href="#" id="view-layer-on-navigator-enterprise" 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/M1060/M1060-enterprise-layer.json"; document.getElementById("view-layer-on-navigator-enterprise").href = "https://mitre-attack.github.io/attack-navigator//#layerURL=" + encodeURIComponent(layerURL); } else { //hide button document.getElementById("view-layer-on-navigator-enterprise").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 enterprise" id="enterprise"> <td> Enterprise </td> <td colspan="2"> <a href="/versions/v16/techniques/T1213">T1213</a> </td> <td> <a href="/versions/v16/techniques/T1213">Data from Information Repositories</a> </td> <td> <p>Create plans for leveraging a secure out-of-band communications channel, rather than existing in-network chat applications, in case of a security incident.<span onclick=scrollToRef('scite-1') id="scite-ref-1-a" class="scite-citeref-number" title="Tyler Hudak. (2022, December 29). To OOB, or Not to OOB?: Why Out-of-Band Communications are Essential for Incident Response. Retrieved August 30, 2024."data-reference="TrustedSec OOB Communications"><sup><a href="https://trustedsec.com/blog/to-oob-or-not-to-oob-why-out-of-band-communications-are-essential-for-incident-response" target="_blank" data-hasqtip="0" aria-describedby="qtip-0">[1]</a></sup></span></p> </td> </tr> <tr class="sub technique enterprise" id="enterprise"> <td></td> <td></td> <td> <a href="/versions/v16/techniques/T1213/005">.005</a> </td> <td> <a href="/versions/v16/techniques/T1213/005">Messaging Applications</a> </td> <td> <p>Implement secure out-of-band communication channels to use as an alternative to in-network chat applications during a security incident. This ensures that critical communications remain secure even if primary messaging channels are compromised by adversaries.<span onclick=scrollToRef('scite-1') id="scite-ref-1-a" class="scite-citeref-number" title="Tyler Hudak. (2022, December 29). To OOB, or Not to OOB?: Why Out-of-Band Communications are Essential for Incident Response. Retrieved August 30, 2024."data-reference="TrustedSec OOB Communications"><sup><a href="https://trustedsec.com/blog/to-oob-or-not-to-oob-why-out-of-band-communications-are-essential-for-incident-response" target="_blank" data-hasqtip="0" aria-describedby="qtip-0">[1]</a></sup></span></p> </td> </tr> <tr class="technique enterprise" id="enterprise"> <td> Enterprise </td> <td colspan="2"> <a href="/versions/v16/techniques/T1114">T1114</a> </td> <td> <a href="/versions/v16/techniques/T1114">Email Collection</a> </td> <td> <p>Use secure out-of-band authentication methods to verify the authenticity of critical actions initiated via email, such as password resets, financial transactions, or access requests. For highly sensitive information, utilize out-of-band communication channels instead of relying solely on email to prevent adversaries from collecting data through compromised email accounts.<span onclick=scrollToRef('scite-1') id="scite-ref-1-a" class="scite-citeref-number" title="Tyler Hudak. (2022, December 29). To OOB, or Not to OOB?: Why Out-of-Band Communications are Essential for Incident Response. Retrieved August 30, 2024."data-reference="TrustedSec OOB Communications"><sup><a href="https://trustedsec.com/blog/to-oob-or-not-to-oob-why-out-of-band-communications-are-essential-for-incident-response" target="_blank" data-hasqtip="0" aria-describedby="qtip-0">[1]</a></sup></span></p> </td> </tr> <tr class="sub technique enterprise" id="enterprise"> <td></td> <td></td> <td> <a href="/versions/v16/techniques/T1114/001">.001</a> </td> <td> <a href="/versions/v16/techniques/T1114/001">Local Email Collection</a> </td> <td> <p>Implement secure out-of-band alerts to notify security teams of unusual local email activities, such as mass forwarding or large attachments being sent, indicating potential data exfiltration attempts.<span onclick=scrollToRef('scite-1') id="scite-ref-1-a" class="scite-citeref-number" title="Tyler Hudak. (2022, December 29). To OOB, or Not to OOB?: Why Out-of-Band Communications are Essential for Incident Response. Retrieved August 30, 2024."data-reference="TrustedSec OOB Communications"><sup><a href="https://trustedsec.com/blog/to-oob-or-not-to-oob-why-out-of-band-communications-are-essential-for-incident-response" target="_blank" data-hasqtip="0" aria-describedby="qtip-0">[1]</a></sup></span></p> </td> </tr> <tr class="sub technique enterprise" id="enterprise"> <td></td> <td></td> <td> <a href="/versions/v16/techniques/T1114/002">.002</a> </td> <td> <a href="/versions/v16/techniques/T1114/002">Remote Email Collection</a> </td> <td> <p>Use secure out-of-band authentication methods to verify the authenticity of critical actions initiated via email, such as password resets, financial transactions, or access requests. </p><p>For highly sensitive information, utilize out-of-band communication channels instead of relying solely on email. This reduces the risk of sensitive data being collected through compromised email accounts.</p><p>Set up out-of-band alerts to notify security teams of unusual email activities, such as mass forwarding or large attachments being sent, which could indicate email collection attempts.</p><p>Create plans for leveraging a secure out-of-band communications channel, rather than an existing in-network email server, in case of a security incident.<span onclick=scrollToRef('scite-1') id="scite-ref-1-a" class="scite-citeref-number" title="Tyler Hudak. (2022, December 29). To OOB, or Not to OOB?: Why Out-of-Band Communications are Essential for Incident Response. Retrieved August 30, 2024."data-reference="TrustedSec OOB Communications"><sup><a href="https://trustedsec.com/blog/to-oob-or-not-to-oob-why-out-of-band-communications-are-essential-for-incident-response" target="_blank" data-hasqtip="0" aria-describedby="qtip-0">[1]</a></sup></span></p> </td> </tr> <tr class="sub technique enterprise" id="enterprise"> <td></td> <td></td> <td> <a href="/versions/v16/techniques/T1114/003">.003</a> </td> <td> <a href="/versions/v16/techniques/T1114/003">Email Forwarding Rule</a> </td> <td> <p>Use secure out-of-band authentication methods to verify the authenticity of critical actions initiated via email, such as password resets, financial transactions, or access requests. </p><p>For highly sensitive information, utilize out-of-band communication channels instead of relying solely on email. This reduces the risk of sensitive data being collected through compromised email accounts.</p><p>Set up out-of-band alerts to notify security teams of unusual email activities, such as mass forwarding or large attachments being sent, which could indicate email collection attempts.</p><p>Create plans for leveraging a secure out-of-band communications channel, rather than an existing in-network email server, in case of a security incident.<span onclick=scrollToRef('scite-1') id="scite-ref-1-a" class="scite-citeref-number" title="Tyler Hudak. (2022, December 29). To OOB, or Not to OOB?: Why Out-of-Band Communications are Essential for Incident Response. Retrieved August 30, 2024."data-reference="TrustedSec OOB Communications"><sup><a href="https://trustedsec.com/blog/to-oob-or-not-to-oob-why-out-of-band-communications-are-essential-for-incident-response" target="_blank" data-hasqtip="0" aria-describedby="qtip-0">[1]</a></sup></span></p> </td> </tr> <tr class="technique enterprise" id="enterprise"> <td> Enterprise </td> <td colspan="2"> <a href="/versions/v16/techniques/T1489">T1489</a> </td> <td> <a href="/versions/v16/techniques/T1489">Service Stop</a> </td> <td> <p>Develop and enforce security policies that include the use of out-of-band communication channels for critical communications during a security incident.<span onclick=scrollToRef('scite-1') id="scite-ref-1-a" class="scite-citeref-number" title="Tyler Hudak. (2022, December 29). To OOB, or Not to OOB?: Why Out-of-Band Communications are Essential for Incident Response. Retrieved August 30, 2024."data-reference="TrustedSec OOB Communications"><sup><a href="https://trustedsec.com/blog/to-oob-or-not-to-oob-why-out-of-band-communications-are-essential-for-incident-response" target="_blank" data-hasqtip="0" aria-describedby="qtip-0">[1]</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://trustedsec.com/blog/to-oob-or-not-to-oob-why-out-of-band-communications-are-essential-for-incident-response" target="_blank"> Tyler Hudak. (2022, December 29). To OOB, or Not to OOB?: Why Out-of-Band Communications are Essential for Incident Response. Retrieved August 30, 2024. </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.800-53r5.pdf" target="_blank"> National Institute of Standards and Technology. (2020, September). Security and Privacy Controlsfor Information Systems and Organizations. 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