In 2021, cybersecurity authorities in the United States, Australia, and the United Kingdom observed an increase in sophisticated, high-impact ransomware incidents against critical infrastructure organizations globally. The FBI, CISA, and NSA observed incidents involving ransomware against 14 of the 16 US critical infrastructure sectors, including the Defense Industrial Base, Emergency Services, Food and Agriculture, Government Facilities, and Information Technology Sectors. 

AA22-040A Alert, Technical Details, and Mitigations

CISA’s Ransomware Readiness Assessment

CISA’s Cyber Hygiene Services

ACSC’s Strategies to Mitigate Cyber Security Incidents

All organizations should report incidents and anomalous activity to CISA’s 24/7 Operations Center at [email protected] or (888) 282-0870 and to the FBI via your local FBI field office or the FBI’s 24/7 CyWatch at (855) 292-3937 or [email protected].

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