2026 Pathstone — ShinyHunters extortion claim (unverified); ~641K records alleged
Data compromised
Actor-claimed personally identifiable information and internal corporate documents (~641,000 records alleged)—specific financial/KYC fields not independently verified
Technical writeup
Unverified extortion claim — February–March 2026. ShinyHunters listed Pathstone Family Office, a U.S. ultra-high-net-worth advisory firm managing more than $170 billion, on its leak portal claiming theft of roughly 641,000 records including PII and internal documents and setting a March 2, 2026 ransom deadline. Cybernews, SC Media, and class-action investigators summarized the marketing; Pathstone had not issued a public breach confirmation at catalog time. BreachHistory uses the actor-cited ~641K figure labeled unverified pending company or regulator attestation.
Root cause
Unverified ShinyHunters extortion listing targeting Pathstone Family Office wealth-management firm—Pathstone had not confirmed at catalog time