Suffolk Federal Credit Union Data Breach (2026): What Was Exposed & Free Credit Monitoring

✅ Official notice on file. Suffolk Federal Credit Union filed this data breach notice with the California Attorney General on Sep 11, 2026. Compare it with the letter you received: the official copy is linked below.

View the official notice · Read the letter (PDF)

Suffolk Federal Credit Union reported a data breach caused by unauthorized access to its computer network.

Key facts

Incident type Network intrusion
Reported to California AG Sep 11, 2026
Company helpline 1-888-743-0023

Free credit monitoring

Suffolk Federal Credit Union is offering 12 months of Experian IdentityWorks at no cost to people who received the letter. Enroll at www.experianidworks.com/3bcredit using the activation code printed on your letter.

What to do now

  1. Get your free credit reports at AnnualCreditReport.com and look for accounts you do not recognize.
  2. Call the Suffolk Federal Credit Union helpline at 1-888-743-0023 if you have questions about your letter.

Other recent data breaches

Source: notification letter and filing submitted by Suffolk Federal Credit Union to the California Attorney General. BreachLetter is not affiliated with Suffolk Federal Credit Union. Details extracted from the official letter; always follow the instructions in your own copy.