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Federal Bureau of Investigation – Operation Red Circus

Federal Bureau of Investigation – Operation Red Circus

Federal Law Enforcement Operation

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Stories

U.S. takes a Ukrainian hacker to court over Russia-backed attacks on water and food systems

Rule Changes

Ongoing FBI effort to disrupt Russian state-sponsored cyberthreats to U.S. critical infrastructure

A 33-year-old Ukrainian woman now sits at the center of Washington’s latest cyber drama. U.S. prosecutors say Victoria Dubranova helped two Russia-backed hacker crews hit water systems, food facilities, and other infrastructure, turning online “hacktivism” into covert state work.

Updated Dec 11, 2025