FBI Cyber Alerts

Public Alerts from FBI Cyber Outreach

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2021

APT Actors Exploit Vulnerabilities to Gain Initial Access for Future Attacks (April 2)

Mamba Ransomware Weaponizing DiskCryptor (March 23)

Business Email Compromise Actors Targeting State, Local, Tribal, and Territorial Governments, Straining Resources (March 18)

Increase in PYSA Ransomware Targeting Education Institutions (March 16)

Malicious Actors Almost Certainly Will Leverage Synthetic Content for Cyber and Foreign Influence Operations (March 10)

Compromise of Microsoft Exchange Server (March 10)

Telephony Denial of Service Attacks Can Disrupt Emergency Call Center Operations (February 17)

Compromise of U.S. Water Treatment Facility (February 11)

Cyber Criminals Exploit Network Access and Privilege Escalation (January 14)

Egregor Ransomware Targets Businesses Worldwide, Attempting to Extort Businesses by Publicly Releasing Exfiltrated Data (January 8)

For information regarding alerts prior to this year, visit the FBI's Internet Crime Complaint Center.