Bulletins

Summary Note: This joint Cybersecurity Advisory is part of an ongoing #StopRansomware effort to publish advisories for network defenders that detail various ransomware variants and ransomware threat actors. These #StopRansomware advisories include recently and historically observed tactics, techniques, and procedures (TTPs) and indicators of compromise (IOCs) to help organizations protect …

Summary The Federal Bureau of Investigation (FBI), Cybersecurity and Infrastructure Security Agency (CISA), and the Department of Defense Cyber Crime Center (DC3) are releasing this joint Cybersecurity Advisory (CSA) to warn network defenders that, as of August 2024, a group of Iran-based cyber actors continues to exploit U.S. and foreign …

Executive Summary The Cybersecurity and Infrastructure Security Agency (CISA) conducted a red team assessment (RTA) at the request of a critical infrastructure organization. During RTAs, CISA’s red team simulates real-world malicious cyber operations to assess an organization’s cybersecurity detection and response capabilities. In coordination with the assessed organization, CISA is …

Summary The Cybersecurity and Infrastructure Security Agency (CISA) is issuing this activity alert in response to recently disclosed exploits that target unsecure configurations of SAP components. [1] Technical Details A presentation at the April 2019 Operation for Community Development and Empowerment (OPCDE) cybersecurity conference describes SAP systems with unsecure configurations …

Summary The Cybersecurity and Infrastructure Security Agency (CISA) is issuing this Activity Alert to provide information on a vulnerability, known as “BlueKeep,” that exists in the following Microsoft Windows Operating Systems (OSs), including both 32- and 64-bit versions, as well as all Service Pack versions: Windows 2000 Windows Vista Windows …

Summary Note: This alert does not apply to federally certified voting systems running Windows 7. Microsoft will continue to provide free security updates to those systems through the 2020 election. See Microsoft’s article, Extending free Windows 7 security updates to voting systems, for more information. On January 14, 2020, Microsoft …

Summary This Alert is the result of recent collaboration between the Department of the Treasury Financial Sector Cyber Information Group (CIG) and the Department of the Treasury’s Financial Crimes Enforcement Network (FinCEN) to identify and share information with the financial services sector. Treasury and the Cybersecurity and Infrastructure Security Agency …