Suffolk Federal Credit Union
ent_619c0e0cb181606f2f034227
Disclosures
4
State AG · 4 jurisdictions
Multi-filing incidents
1
incidents joining 2+ filings here
Max affected reported
674
as filed · State AG TX
Leak-site claims
0
none in sample
Identity resolution
- Canonical name
- Suffolk Federal Credit Union
- Normalized
- suffolk federal credit union— dedupe via name-norm; Microsoft / MSFT collapse to one row
- GLEIF LEI
- No match
- SEC EDGAR CIK
- None — not an SEC registrant
- Domain
- None on record
Disclosure history (4)newest first
- Texas State AGas victim2026-09-15
Suffolk Federal Credit Union based in Medford, New York, a financial services entity reported a data breach to the Texas Attorney General. The breach was discovered on 2026-08-13 and reported on 2026-09-15. 674 Texas residents were affected. 212,873 individuals affected in total. Types of information involved: Name of individual;Address;Social Security Number Information;Financial Information (e.g. account number, credit or debit card number). Consumers were notified via U.S. Mail.
- California State AGas victim2026-09-11
Suffolk Federal Credit Union notified members of a data breach involving a former vendor, Mercadien, P.C., CPAs. Unauthorized access to Mercadien's systems occurred between September 17, 2025, and October 9, 2025, and was discovered on November 7, 2025. The incident may have exposed personal information including names, addresses, and financial account details. Suffolk Credit Union's own systems were not compromised. Affected individuals are offered one year of complimentary credit monitoring.
- Vermont State AGas victim2026-09-11
Suffolk Federal Credit Union reported a data breach to the Vermont Attorney General. The breach was reported to the AGO on 2026-09-11. The reporting organization type is Financial Services. 107 Vermont residents were affected. Categories of data breached: Social Security Numbers.
- Massachusetts State AGas victim2026-09-01
Suffolk Credit Union notified members of a data security incident at former vendor Mercadien, P.C., CPAs. Unauthorized access occurred between September 17, 2025, and October 9, 2025, and was discovered on November 7, 2025. The incident involved personal information of Suffolk Credit Union members. The credit union engaged forensic experts, secured the environment, and offered two years of complimentary Experian IdentityWorks credit monitoring to affected individuals.