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U.S. Public Entity Reportedly Paid $1M to Kairos in Data-Theft Extortion

A Ransom-ISAC case study reveals a U.S. public entity allegedly paid about $1 million to a group calling itself Kairos to prevent stolen files from being published. The investigation, built from a leaked negotiation chat and blockchain tracing, suggests no encryption was used and highlights a growing trend of pure data extortion.

July 4, 2026
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