Alerts

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…

Summary The following cybersecurity agencies coauthored this joint Cybersecurity Advisory (hereafter collectively referred to as the authoring agencies): United States: The Cybersecurity and Infrastructure Security Agency (CISA), the Federal Bureau…

Summary The Federal Bureau of Investigation (FBI), the Cybersecurity and Infrastructure Security Agency (CISA), the National Security Agency (NSA), the Communications Security Establishment Canada (CSE), the Australian Federal Police (AFP),…

Microsoft released security updates to address vulnerabilities in multiple products. A cyber threat actor could exploit some of these vulnerabilities to take control of an affected system. CISA encourages users…

Summary The Federal Bureau of Investigation (FBI), Cybersecurity and Infrastructure Security Agency (CISA), and National Security Agency (NSA) assess that cyber actors affiliated with the Russian General Staff Main Intelligence…

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…

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…

Executive Summary This publication defines a baseline for event logging best practices to mitigate cyber threats. It was developed by the Australian Signals Directorate’s Australian Cyber Security Centre (ASD’s ACSC)…

Summary The U.S. Federal Bureau of Investigation (FBI) and the following authoring partners are releasing this Cybersecurity Advisory to highlight cyber espionage activity associated with the Democratic People’s Republic of…

EXECUTIVE SUMMARY In early 2023, the Cybersecurity and Infrastructure Security Agency (CISA) conducted a SILENTSHIELD red team assessment against a Federal Civilian Executive Branch (FCEB) organization. During SILENTSHIELD assessments, the…