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CISA Alerts

Get the latest updates from CISA Alerts directly as they happen.

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Latest posts

Last updated 13 days ago

Ransomware Actors Exploit Unpatched SimpleHelp Remote Monitoring and Management to Compromise Utility Billing Software Provider

14 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 1 month 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 1 month ago

Executive summary This Cybersecurity Information Sheet (CSI) provides essential guidance on securing...

Russian GRU Targeting Western Logistics Entities and Technology Companies

about 1 month 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

4 months ago

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

Threat Actors Chained Vulnerabilities in Ivanti Cloud Service Applications

5 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

9 months ago

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