AA21-229A: BadAlloc Vulnerability Affecting BlackBerry QNX RTOS

Original release date: August 17, 2021SummaryOn August 17, 2021, BlackBerry publicly disclosed that its QNX Real Time Operating System (RTOS) is affected by a BadAlloc vulnerability—CVE-2021-22156. BadAlloc is a collection…

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AA21-209A: Top Routinely Exploited Vulnerabilities

Original release date: July 28, 2021SummaryThis Joint Cybersecurity Advisory was coauthored by the U.S. Cybersecurity and Infrastructure Security Agency (CISA), the Australian Cyber Security Centre (ACSC), the United Kingdom’s National…

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AA21-201A: Chinese Gas Pipeline Intrusion Campaign, 2011 to 2013

Original release date: July 20, 2021SummaryThis Advisory uses the MITRE Adversarial Tactics, Techniques, and Common Knowledge (ATT&CK®) framework, Version 9. See the ATT&CK for Enterprise for all referenced threat actor…

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AA21-200B: Chinese State-Sponsored Cyber Operations: Observed TTPs

Original release date: July 19, 2021SummaryThis advisory uses the MITRE Adversarial Tactics, Techniques, and Common Knowledge (ATT&CK®) framework, Version 9, and MITRE D3FEND™ framework, version 0.9.2-BETA-3. See the ATT&CK for Enterprise…

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AA21-200A: Tactics, Techniques, and Procedures of Indicted APT40 Actors Associated with China’s MSS Hainan State Security Department

Original release date: July 19, 2021SummaryThis Joint Cybersecurity Advisory was written by the Federal Bureau of Investigation (FBI) and the Cybersecurity and Infrastructure Security Agency (CISA) to provide information on…

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AA21-116A: Russian Foreign Intelligence Service (SVR) Cyber Operations: Trends and Best Practices for Network Defenders

Original release date: April 26, 2021SummaryThe Federal Bureau of Investigation (FBI), Department of Homeland Security (DHS), and Cybersecurity and Infrastructure Security Agency (CISA) assess Russian Foreign Intelligence Service (SVR) cyber…

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AA21-110A: Exploitation of Pulse Connect Secure Vulnerabilities

Original release date: April 20, 2021SummaryThe Cybersecurity and Infrastructure Security Agency (CISA) is aware of compromises affecting U.S. government agencies, critical infrastructure entities, and other private sector organizations by a…

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