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high severity May 12, 2026 · 22K affected

MemberSource Credit Union Notifies 22K of Data Breach

Texas-based MemberSource Credit Union disclosed a data breach affecting 22,308 individuals. The incident involved unauthorized access to files containing names, Social Security numbers, driver's license or state ID numbers, and financial account information. Notices were sent to affected customers in early May following confirmation of the compromise.

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MemberSource Credit Union Notifies 22K of Data Breach
Data exposed:
  • names
  • social security numbers
  • drivers license numbers
  • financial account information

A Texas credit union has disclosed that unauthorized parties accessed files containing the names, Social Security numbers, driver’s license numbers, and financial account information of 22,308 customers.

MemberSource Credit Union, based in Texas, confirmed the breach and began sending notification letters in early May 2026. Public reporting indicates the incident involved unauthorized access to sensitive customer records. The Texas Attorney General’s office has also listed the breach in its public data security reports. Industry research from sources such as DoxxScan™ continuous monitoring indicates that financial institutions remain frequent targets because the combination of personal identifiers and account details creates immediate value on underground markets.

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