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US-CERT Alerts
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Latest posts
Last updated 29 days ago
Ransomware Actors Exploit Unpatched SimpleHelp Remote Monitoring and Management to Compromise Utility Billing Software Provider
29 days ago
Summary The Cybersecurity and Infrastructure Security Agency (CISA) is releasing this advisory...
Threat Actors Deploy LummaC2 Malware to Exfiltrate Sensitive Data from Organizations
about 2 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
about 2 months ago
Executive summary This Cybersecurity Information Sheet (CSI) provides essential guidance on securing...
Russian GRU Targeting Western Logistics Entities and Technology Companies
about 2 months ago
Executive Summary This joint cybersecurity advisory (CSA) highlights a Russian state-sponsored cyber...
Fast Flux: A National Security Threat
3 months ago
Executive summary Many networks have a gap in their defenses for detecting...
#StopRansomware: Medusa Ransomware
4 months ago
Summary Note: This joint Cybersecurity Advisory is part of an ongoing #StopRansomware...
#StopRansomware: Ghost (Cring) Ransomware
5 months ago
Summary Note: This joint Cybersecurity Advisory is part of an ongoing #StopRansomware...
Threat Actors Chained Vulnerabilities in Ivanti Cloud Service Applications
6 months ago
Note: The CVEs in this advisory are unrelated to vulnerabilities (CVE-2025-0282 and...
2023 Top Routinely Exploited Vulnerabilities
8 months ago
Summary The following cybersecurity agencies coauthored this joint Cybersecurity Advisory (hereafter collectively...
Microsoft Releases October 2024 Security Updates
9 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
9 months ago
Summary The Federal Bureau of Investigation (FBI), the Cybersecurity and Infrastructure Security...
CISA Adds One Known Exploited Vulnerability to Catalog
10 months ago
CISA has added one new vulnerability to its Known Exploited Vulnerabilities Catalog...