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Cybersecurity & Infrastructure Security Agency
America's Cyber Defense Agency

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Cybersecurity Alerts & Advisories

View Cybersecurity Advisories Only

Feb 16, 2022
Cybersecurity Advisory | AA22-047A

Russian State-Sponsored Cyber Actors Target Cleared Defense Contractor Networks to Obtain Sensitive U.S. Defense Information and Technology

Feb 09, 2022
Cybersecurity Advisory | AA22-040A

2021 Trends Show Increased Globalized Threat of Ransomware

Jan 11, 2022
Cybersecurity Advisory | AA22-011A

Understanding and Mitigating Russian State-Sponsored Cyber Threats to U.S. Critical Infrastructure

Dec 22, 2021
Cybersecurity Advisory | AA21-356A

Mitigating Log4Shell and Other Log4j-Related Vulnerabilities

Dec 02, 2021
Cybersecurity Advisory | AA21-336A

APT Actors Exploiting CVE-2021-44077 in Zoho ManageEngine ServiceDesk Plus

Nov 17, 2021
Cybersecurity Advisory | AA21-321A

Iranian Government-Sponsored APT Cyber Actors Exploiting Microsoft Exchange and Fortinet Vulnerabilities in Furtherance of Malicious Activities

Oct 18, 2021
Cybersecurity Advisory | AA21-291A

BlackMatter Ransomware

Oct 14, 2021
Cybersecurity Advisory | AA21-287A

Ongoing Cyber Threats to U.S. Water and Wastewater Systems

Sep 16, 2021
Cybersecurity Advisory | AA21-259A

APT Actors Exploiting Newly Identified Vulnerability in ManageEngine ADSelfService Plus

Aug 31, 2021
Cybersecurity Advisory | AA21-243A

Ransomware Awareness for Holidays and Weekends

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