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US-CERT Alerts
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Latest posts
Last updated about 1 month ago
Fast Flux: A National Security Threat
about 1 month ago
Executive summary Many networks have a gap in their defenses for detecting...
#StopRansomware: Medusa Ransomware
about 2 months ago
Summary Note: This joint Cybersecurity Advisory is part of an ongoing #StopRansomware...
#StopRansomware: Ghost (Cring) Ransomware
3 months ago
Summary Note: This joint Cybersecurity Advisory is part of an ongoing #StopRansomware...
Threat Actors Chained Vulnerabilities in Ivanti Cloud Service Applications
4 months ago
Note: The CVEs in this advisory are unrelated to vulnerabilities (CVE-2025-0282 and...
2023 Top Routinely Exploited Vulnerabilities
6 months ago
Summary The following cybersecurity agencies coauthored this joint Cybersecurity Advisory (hereafter collectively...
Microsoft Releases October 2024 Security Updates
7 months ago
Microsoft released security updates to address vulnerabilities in multiple products. A cyber...
Iranian Cyber Actors’ Brute Force and Credential Access Activity Compromises Critical Infrastructure Organizations
7 months ago
Summary The Federal Bureau of Investigation (FBI), the Cybersecurity and Infrastructure Security...
CISA Adds One Known Exploited Vulnerability to Catalog
8 months ago
CISA has added one new vulnerability to its Known Exploited Vulnerabilities Catalog...
Russian Military Cyber Actors Target US and Global Critical Infrastructure
8 months ago
Summary The Federal Bureau of Investigation (FBI), Cybersecurity and Infrastructure Security Agency...
#StopRansomware: RansomHub Ransomware
8 months ago
Summary Note: This joint Cybersecurity Advisory is part of an ongoing #StopRansomware...
Iran-based Cyber Actors Enabling Ransomware Attacks on US Organizations
9 months ago
Summary The Federal Bureau of Investigation (FBI), Cybersecurity and Infrastructure Security Agency...
Best Practices for Event Logging and Threat Detection
9 months ago
Executive Summary This publication defines a baseline for event logging best practices...