CISA Alerts

AA21-008A: Detecting Post-Compromise Threat Activity in Microsoft Cloud Environments

Original release date: January 8, 2021 Summary This Advisory uses the MITRE Adversarial Tactics, Techniques, and Common Knowledge (ATT&CK®) framework. See the ATT&CK for Enterprise for all referenced threat actor tactics and techniques. This Alert is a companion alert to AA20-352A: Advanced Persistent Threat Compromise of Government Agencies, Critical Infrastructure, and Private Sector Organizations. AA20-352A …

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AA20-352A: Advanced Persistent Threat Compromise of Government Agencies, Critical Infrastructure, and Private Sector Organizations

Original release date: December 17, 2020<br/><h3>Summary</h3><p class=”tip-intro” style=”font-size: 15px;”><em>This Alert uses the MITRE Adversarial Tactics, Techniques, and Common Knowledge (ATT&amp;CK®) version 8 framework. See the <a href=”https://attack.mitre.org/versions/v8/”>ATT&amp;CK for Enterprise version 8</a> for all referenced threat actor tactics and techniques.</em></p> <p>The Cybersecurity and Infrastructure Security Agency (CISA) is aware of compromises of U.S. government agencies, critical …

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AA20-345A: Cyber Actors Target K-12 Distance Learning Education to Cause Disruptions and Steal Data

Original release date: December 10, 2020<br/><h3>Summary</h3><p>This Joint Cybersecurity Advisory was coauthored by the Federal Bureau of Investigation (FBI), the Cybersecurity and Infrastructure Security Agency (CISA), and the Multi-State Information Sharing and Analysis Center (MS-ISAC).</p> <p>The FBI, CISA, and MS-ISAC assess malicious cyber actors are targeting kindergarten through twelfth grade (K-12) educational institutions, leading to ransomware …

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AA20-336A: Advanced Persistent Threat Actors Targeting U.S. Think Tanks

Original release date: December 1, 2020<br/><h3>Summary</h3><p class=”tip-intro” style=”font-size: 15px;”><em>This Advisory uses the MITRE Adversarial Tactics, Techniques, and Common Knowledge (ATT&amp;CK®) framework. See the <a href=”https://attack.mitre.org/versions/v7/techniques/enterprise/”>ATT&amp;CK for Enterprise</a> for all referenced threat actor tactics and techniques.</em></p> <p>The Cybersecurity and Infrastructure Security Agency (CISA) and the Federal Bureau of Investigation (FBI) have observed persistent continued cyber intrusions …

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AA20-304A: Iranian Advanced Persistent Threat Actor Identified Obtaining Voter Registration Data

Original release date: October 30, 2020 Summary This advisory uses the MITRE Adversarial Tactics, Techniques, and Common Knowledge (ATT&CK®) version 7 framework. See the ATT&CK for Enterprise version 7 for all referenced threat actor tactics and techniques. This joint cybersecurity advisory was coauthored by the Cybersecurity and Infrastructure Security Agency (CISA) and the Federal Bureau …

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AA20-302A: Ransomware Activity Targeting the Healthcare and Public Health Sector

Original release date: October 28, 2020 Summary This advisory uses the MITRE Adversarial Tactics, Techniques, and Common Knowledge (ATT&CK®) version 7 framework. See the ATT&CK for Enterprise version 7 for all referenced threat actor tactics and techniques. This joint cybersecurity advisory was coauthored by the Cybersecurity and Infrastructure Security Agency (CISA), the Federal Bureau of …

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AA20-301A: North Korean Advanced Persistent Threat Focus: Kimsuky

Original release date: October 27, 2020 Summary This advisory uses the MITRE Adversarial Tactics, Techniques, and Common Knowledge (ATT&CK®) version 7 framework. See the ATT&CK for Enterprise version 7 for all referenced threat actor tactics and techniques. This joint cybersecurity advisory was coauthored by the Cybersecurity and Infrastructure Security Agency (CISA), the Federal Bureau of …

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AA20-296B: Iranian Advanced Persistent Threat Actors Threaten Election-Related Systems

Original release date: October 22, 2020 Summary The Cybersecurity and Infrastructure Security Agency (CISA) and the Federal Bureau of Investigation (FBI) are warning that Iranian advanced persistent threat (APT) actors are likely intent on influencing and interfering with the U.S. elections to sow discord among voters and undermine public confidence in the U.S. electoral process. …

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AA20-296A: Russian State-Sponsored Advanced Persistent Threat Actor Compromises U.S. Government Targets

Original release date: October 22, 2020 Summary This joint cybersecurity advisory uses the MITRE Adversarial Tactics, Techniques, and Common Knowledge (ATT&CK®) framework. See the ATT&CK for Enterprise framework for all referenced threat actor tactics and techniques This joint cybersecurity advisory—written by the Federal Bureau of Investigation (FBI) and the Cybersecurity and Infrastructure Security Agency (CISA)—provides …

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AA20-283A: APT Actors Chaining Vulnerabilities Against SLTT, Critical Infrastructure, and Elections Organizations

Original release date: October 9, 2020 Summary This joint cybersecurity advisory uses the MITRE Adversarial Tactics, Techniques, and Common Knowledge (ATT&CK®) framework. See the ATT&CK for Enterprise framework for all referenced threat actor techniques. Note: the analysis in this joint cybersecurity advisory is ongoing, and the information provided should not be considered comprehensive. The Cybersecurity …

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