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US-CERT Alerts

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Latest posts

Last updated about 21 hours ago

2023 Top Routinely Exploited Vulnerabilities

14 days ago

Summary The following cybersecurity agencies coauthored this joint Cybersecurity Advisory (hereafter collectively...

Microsoft Releases October 2024 Security Updates

about 1 month 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

about 2 months ago

Summary The Federal Bureau of Investigation (FBI), the Cybersecurity and Infrastructure Security...

CISA Adds One Known Exploited Vulnerability to Catalog

2 months ago

CISA has added one new vulnerability to its Known Exploited Vulnerabilities Catalog...

Russian Military Cyber Actors Target US and Global Critical Infrastructure

3 months ago

Summary The Federal Bureau of Investigation (FBI), Cybersecurity and Infrastructure Security Agency...

#StopRansomware: RansomHub Ransomware

3 months ago

Summary Note: This joint Cybersecurity Advisory is part of an ongoing #StopRansomware...

Iran-based Cyber Actors Enabling Ransomware Attacks on US Organizations

3 months ago

Summary The Federal Bureau of Investigation (FBI), Cybersecurity and Infrastructure Security Agency...

Best Practices for Event Logging and Threat Detection

3 months ago

Executive Summary This publication defines a baseline for event logging best practices...

CISA Adds Six Known Exploited Vulnerabilities to Catalog

3 months ago

CISA has added six new vulnerabilities to its Known Exploited Vulnerabilities Catalog...

Enhancing Cyber Resilience: Insights from CISA Red Team Assessment of a US Critical Infrastructure Sector Organization

4 months ago

EXECUTIVE SUMMARY The Cybersecurity and Infrastructure Security Agency (CISA) conducted a red...

North Korea Cyber Group Conducts Global Espionage Campaign to Advance Regime’s Military and Nuclear Programs

4 months ago

Summary The U.S. Federal Bureau of Investigation (FBI) and the following authoring...

CISA Red Team’s Operations Against a Federal Civilian Executive Branch Organization Highlights the Necessity of Defense-in-Depth

5 months ago

EXECUTIVE SUMMARY In early 2023, the Cybersecurity and Infrastructure Security Agency (CISA)...