All Breaches
Patelco Credit Union Data Breach
In June 2024, Northern California financial institution Patelco Credit Union suffered a debilitating ransomware attack that shut down ATM access, electronic money transfers, and online banking for weeks.
726 Thousand
Affected People
7
Data Types
High
Severity
Oct 27, 2026
Last updated
Exposed Data Types
7- Names
- Social security numbers
- Driver's license numbers
- Bank account numbers
- Credit and debit card numbers
- Dates of birth
- Physical addresses
About This Breach
The incident resulted in the exfiltration of personal financial records, Social Security numbers, and driver's licenses for approximately 726,000 members.
Verification and editorial method
LeakData compares the incident name, date, affected-record count, and exposed data types with accessible sources. Unverified fields are not presented as facts, and records are updated when new evidence becomes available.
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