2026 Columbia Bank — Clop leak-site claim (unverified)
Data compromised
Actor listing for columbiabank.com; no attested census.
Technical writeup
Unverified leak-site / extortion claim — Clop listing for Columbia Bank (columbiabank.com) observed ~September 24–25, 2026 via ransomware trackers. Company confirmation not located. recordsAffected 0; companyConfirmed false.
Root cause
Unverified Clop ransomware/extortion leak-site listing (Sep 24–25, 2026)