UnknownFinancial ServicesFinanceGovernment IDHealth (basic)Financial accountPCIMedium

Fairmont Federal Credit Union

bd_548cd262e7012e8c · schema v1 · pii pii-v1

Severity

Medium

Discovered

—

Filed

Sep 11, 2025

To disclose

—

Affected

53state residents only

Linked

8 records

Confidence

95%

Full breach record for Fairmont Federal Credit Union →

Fairmont Federal Credit Union reported a data breach to the Massachusetts Office of Consumer Affairs and Business Regulation. The breach was reported on 2025-09-11. 53 Massachusetts residents were affected.

J jump to incidentP pin to compareR raw source

Leak gap clock✗ Leak >180d

⚠ no discovery dateNo discovery date was extracted, so no notification clock can be evaluated.

Incident timeline — partial

? — ?

Breach window unknown

Sep 11, 2025

Filed

No interval is drawn: no breach start or discovery date is on record for this filing.

This filing is one of 8 records about the same incident.View merged incident

A leak claim by black_basta about this victim was first seen 597 days before this filing.View originating leak claim

Linked disclosures

Why this link?

Ransomware claims (1)

Leak Siteblack_bastabd_3065b6789ce4ea202023-10-18 · +694dVerified

Regulatory filings (6) · sorted by filing gap

Maine State AGbd_0a31c3a936612f172025-09-11Verified
Montana State AGbd_21b07e63bef16c8e2025-09-11Candidate
Nebraska State AGbd_2ad939cf43bf74292025-09-11Verified
California State AGbd_a6c06c435aa4a9612025-09-11Verified

Show 2 more filings ↓up to 7d gap

Texas State AGbd_296cd008c0de54c12025-09-12 · +1dVerified
New Hampshire State AGbd_761a3297a827ae362025-09-18 · +7dVerified

Name: Fairmont Federal Credit Union
norm: fairmont federal credit union
Domain: fairmontfcu.com

Name: Fairmont Federal Credit Union
norm: fairmont federal credit union
Domain: fairmontfcu.com
Industry: Financial Servicesregulator portal

Discovered: —
Materiality determined: —
Notification sent: —
Affected individuals: 53state-resident count only
Data types: Government IDHealth (basic)Financial accountPCI
Data elements: Social Security numberMedical informationFinancial account numberDriver's licence numberPayment card number
Attack vector: Unknown

Compliance flags: Leak >180dMA credit monitoring due
Discovery-date grounding: no discovery dateNo discovery date was extracted, so no notification clock can be evaluated.

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 7 filings · 7 states

View merged incident ↗

Maine State AGSep 11 · first

Montana State AGSep 11 · first

Nebraska State AGSep 11 · first

California State AGSep 11 · first

Massachusetts State AGSep 11 · first · this page

Texas State AG+1d

New Hampshire State AG+7d

Pattern: first filing Sep 11 (ME), last Sep 18 (NH) — a 7-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?

Evidence ladder

Leak-site claim

Attacker assertion only. Establishes: claim date, group, alleged victim.

Press / market report

Unlocks: incident narrative, operational impact. Still no compliance clock.

State AG / regulator filingThis record

Unlocks: discovery date, data types, affected count, compliance clock.

SEC 8-K / victim statement

Unlocks: materiality, stated response, full audit trail. Ceiling removed.

Source URL: https://www.mass.gov/doc/data-breach-report-2025/download
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Sep 11, 2025
Raw hash: 52e115cef39338fe45d6d3c1d2cf9c5503b763dfa9119e19ee5bcba2efbdc55b

Linked disclosures

Ransomware claims (1)

Regulatory filings (6) · sorted by filing gap

Reporting entityFairmont Federal Credit Union

Victim entityFairmont Federal Credit Union

IncidentUnknown

ComplianceLeak >180d

Extraction provenanceno artifact recorded

Source provenancewww.mass.gov