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Investigation OpenMassachusetts AG filing · January 16, 2026

St. Mary's Credit Union Files Data Breach Notice in Massachusetts

St. Mary's Credit Union officially reported a data security incident to Massachusetts state regulators on January 16, 2026. The filing indicates that personal information was involved, and the credit union is currently investigating the scope of the event. Individuals who received a notification should review their accounts for unusual activity.

State
Massachusetts
Reported
January 16, 2026

St. Mary's Credit Union, a financial institution operating in Massachusetts, has formally reported a data security incident to state authorities. This filing confirms that the credit union experienced an event where its systems were affected.

The official notice states that personal information was involved in this security incident. However, the specific categories of data that may have been exposed were not detailed in the public record of the filing.

The report from St. Mary's Credit Union was filed on January 16, 2026. The financial institution has indicated that an investigation into the nature and full scope of the breach is currently underway. The purpose of this investigation is to understand what occurred and identify all individuals potentially affected.

If you have received a direct notification from St. Mary's Credit Union regarding this incident, it is important to take proactive steps to safeguard your information. Regularly review statements from your financial accounts and check your credit reports for any transactions or activity you do not recognize.

As a general precaution, consider placing a fraud alert or a security freeze on your credit files with the three major credit reporting agencies. These services can help prevent unauthorized parties from opening new accounts in your name.

DataBreachSearch.com indexes public records of reported data breaches. This entry reflects the official notice submitted by St. Mary's Credit Union to regulators in Massachusetts, providing factual details from their report.

What to do if you were affected

These general steps can help limit the risk of identity theft and fraud after any data breach.

  • Stay alert to targeted scams

    Be cautious of calls, texts, or emails that reference this breach. Legitimate organizations won't ask you to confirm sensitive details through an unsolicited message.

  • Keep your notification letter

    Save the notice you received. It documents that your information was involved and is often needed to enroll in any credit monitoring offered or to join a related legal claim.

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