Data Breach Hits Mass. Credit Union Affecting Nearly 57,000 Individuals

A data breach at Central One Federal Credit Union in Massachusetts has impacted the personal information of approximately 57,000 individuals, including current and former customers. The incident exposed critical data such as names, Social Security numbers, driver’s license or state identification numbers, financial account information, medical, and health insurance details.​

Timeline and Details

The breach was discovered shortly before Labor Day 2025, with suspicious activity in the credit union’s network later confirmed as a breach. Central One Federal Credit Union began informing affected individuals in early November 2025 and has notified authorities in Massachusetts, Texas, and Montana.​

Data Exposed

Information potentially accessed includes:

• Names

• Social Security numbers

• Driver’s license or state ID numbers

• Account and credit/debit card numbers

• Medical and health insurance information​

Next Steps for Affected Individuals

Impacted individuals should:

• Monitor financial and credit accounts for suspicious activity

• Update passwords for online accounts

• Watch for fraud alerts and identity theft
  Central One Federal Credit Union has established a dedicated assistance line for questions and support.​

Legal and Consumer Response

Several law firms have begun investigating the incident and are offering to review cases for potential legal action or compensation claims by those affected. If you received a notification from the credit union, you may be eligible to participate in such actions or seek remedies.​