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 Directorate (GRU) 161st Specialist Training Center (Unit 29155) are responsible for computer network operations against global targets for the purposes...
#StopRansomware: RansomHub Ransomware
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...
Iran-based Cyber Actors Enabling Ransomware Attacks on US Organizations
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...
Best Practices for Event Logging and Threat Detection
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) in cooperation with the following international partners: United States (US) Cybersecurity and Infrastructure Security Agency (CISA), the Federal Bureau of...
CISA Adds Six Known Exploited Vulnerabilities to Catalog
CISA has added six new vulnerabilities to its Known Exploited Vulnerabilities Catalog, based on evidence of active exploitation. CVE-2024-38189 Microsoft Project Remote Code Execution Vulnerability CVE-2024-38178 Microsoft Windows Scripting Engine Memory Corruption Vulnerability CVE-2024-38213 Microsoft Windows SmartScreen Security Feature Bypass Vulnerability CVE-2024-38193 Microsoft Windows Ancillary Function Driver for WinSock Privilege Escalation Vulnerability CVE-2024-38106 Microsoft Windows Kernel...
North Korea Cyber Group Conducts Global Espionage Campaign to Advance Regime’s Military and Nuclear Programs
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 Korea (DPRK)’s Reconnaissance General Bureau (RGB) 3rd Bureau based in Pyongyang and Sinuiju: U.S. Cyber National Mission Force (CNMF) U.S....
CISA Red Team’s Operations Against a Federal Civilian Executive Branch Organization Highlights the Necessity of Defense-in-Depth
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 red team first performs a no-notice, long-term simulation of nation-state cyber operations. The team mimics the techniques, tradecraft, and behaviors...
People’s Republic of China (PRC) Ministry of State Security APT40 Tradecraft in Action
Overview Background This advisory, authored by the Australian Signals Directorate’s Australian Cyber Security Centre (ASD’s ACSC), the United States Cybersecurity and Infrastructure Security Agency (CISA), the United States National Security Agency (NSA), the United States Federal Bureau of Investigation (FBI), the United Kingdom National Cyber Security Centre (NCSC-UK), the Canadian...
#StopRansomware: Phobos Ransomware
SUMMARY Note: This joint Cybersecurity Advisory (CSA) 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 against...
Threat Actors Exploit Multiple Vulnerabilities in Ivanti Connect Secure and Policy Secure Gateways
SUMMARY The Cybersecurity and Infrastructure Security Agency (CISA) and the following partners (hereafter referred to as the authoring organizations) are releasing this joint Cybersecurity Advisory to warn that cyber threat actors are exploiting previously identified vulnerabilities in Ivanti Connect Secure and Ivanti Policy Secure gateways. CISA and authoring organizations appreciate...