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US-CERT Alerts
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Latest posts
Last updated 21 days ago
Countering Chinese State-Sponsored Actors Compromise of Networks Worldwide to Feed Global Espionage System
23 days ago
Executive summary People’s Republic of China (PRC) state-sponsored cyber threat actors are...
CISA and USCG Identify Areas for Cyber Hygiene Improvement After Conducting Proactive Threat Hunt at US Critical Infrastructure Organization
about 2 months ago
Summary The Cybersecurity and Infrastructure Security Agency (CISA) and U.S. Coast Guard...
#StopRansomware: Interlock
about 2 months ago
Summary Note: This joint Cybersecurity Advisory is part of an ongoing #StopRansomware...
Ransomware Actors Exploit Unpatched SimpleHelp Remote Monitoring and Management to Compromise Utility Billing Software Provider
3 months ago
Summary The Cybersecurity and Infrastructure Security Agency (CISA) is releasing this advisory...
Threat Actors Deploy LummaC2 Malware to Exfiltrate Sensitive Data from Organizations
4 months ago
Summary The Federal Bureau of Investigation (FBI) and the Cybersecurity and Infrastructure...
AI Data Security: Best Practices for Securing Data Used to Train & Operate AI Systems
4 months ago
Executive summary This Cybersecurity Information Sheet (CSI) provides essential guidance on securing...
Russian GRU Targeting Western Logistics Entities and Technology Companies
4 months ago
Executive Summary This joint cybersecurity advisory (CSA) highlights a Russian state-sponsored cyber...
Fast Flux: A National Security Threat
6 months ago
Executive summary Many networks have a gap in their defenses for detecting...
#StopRansomware: Medusa Ransomware
6 months ago
Summary Note: This joint Cybersecurity Advisory is part of an ongoing #StopRansomware...
#StopRansomware: Ghost (Cring) Ransomware
7 months ago
Summary Note: This joint Cybersecurity Advisory is part of an ongoing #StopRansomware...
Threat Actors Chained Vulnerabilities in Ivanti Cloud Service Applications
8 months ago
Note: The CVEs in this advisory are unrelated to vulnerabilities (CVE-2025-0282 and...
2023 Top Routinely Exploited Vulnerabilities
10 months ago
Summary The following cybersecurity agencies coauthored this joint Cybersecurity Advisory (hereafter collectively...