On February 27, 2026, the shinyhunters ransomware group listed Pathstone Family Office, LLC on its leak site and gave the firm until 2 March 2026 to respond or face full publication of more than 641,000 compromised records containing personally identifiable information and internal corporate data.
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What Public Reporting Shows
Available reporting describes a ransomware incident in which attackers exfiltrated internal files from Pathstone Family Office. The group posted a final warning on its leak site stating that 641k records of PII and other sensitive corporate data had been taken. The message explicitly threatens to leak the material along with additional “annoying digital problems” if the deadline passes. Public reporting attributes the claim to the group’s own leak page; independent verification of the exact number of affected individuals remains limited because the full dataset has not yet been released.
The incident follows the group’s typical pattern of using an initial access breach, exfiltrating data, and then applying a short public countdown to pressure the victim into payment.
Why This Matters for You and Your Family
When a family office or financial services provider loses control of client records, the exposed information often includes names, addresses, Social Security numbers, financial account details, and contact information belonging to private individuals and their families. If you or any member of your family has a relationship with Pathstone or a similar firm, your data may now sit in an attacker’s hands. 641,000 records is a large enough volume that even clients who never received direct notice could be affected.