The Cybersecurity and Infrastructure Security Agency (CISA) and the Federal Bureau of Investigation (FBI) are responding to a spearphishing campaign targeting government organizations, intergovernmental organizations (IGOs), and non-governmental organizations (NGOs). A sophisticated cyber threat actor […]
This 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 tactics and techniques. The Cybersecurity and Infrastructure Security Agency (CISA) and […]
The Federal Bureau of Investigation (FBI), Division of Homeland Security (DHS), and Cybersecurity and Infrastructure Safety Agency (CISA) assess Russian Overseas Intelligence Assistance (SVR) cyber actors—also recognised as Advanced Persistent Risk 29 (APT 29), the […]
Summary The 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 cyber threat actor—or actors—beginning in June 2020 or earlier […]
Summary This Warn announces the CISA Hunt and Incident Reaction Application (CHIRP) instrument. CHIRP is a forensics collection device that CISA designed to aid community defenders uncover indicators of compromise (IOCs) related with activity thorough […]
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. The Cybersecurity and Infrastructure Security Agency (CISA) and Federal […]
Microsoft has released out-of-band security updates to address four vulnerabilities in Exchange Server: It is possible for an attacker, once authenticated to the Exchange server, to gain access to the Active Directory environment and download […]
This joint advisory is the end result of a collaborative effort by the cybersecurity authorities of Australia,[1] New Zealand,[2] Singapore,[3] the United Kingdom,[4] and the United States.[5][6] These authorities are mindful of cyber actors exploiting […]
The North Korean government has used multiple versions of AppleJeus since the malware was initially discovered in 2018. This section outlines seven of the versions below. The MARs listed above provide further technical details of […]
Summary On February 5, 2021, unknown cyber actors attained unauthorized accessibility to the supervisory manage and data acquisition (SCADA) procedure at a U.S. drinking water therapy plant. The unidentified actors applied the SCADA system’s application […]
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