Social EngineeringFinancial ServicesFinancePhishingCustomer Data InvolvedIdentity (basic)Government IDFinancial accountMediumContained

Gain Federal Credit Union

bd_222c243edea4fb52 · schema v1 · pii pii-v2

Severity

Medium

Discovered

Oct 20, 2025

Filed

Feb 4, 2026

To disclose

—

Affected

Not disclosed

Linked

4 filings

Confidence

66%

Full breach record for Gain Federal Credit Union →2 incidents on file

Gain Federal Credit Union (Gain FCU) notified members of a data breach discovered on October 20, 2025, involving unauthorized access to a single user's email account. The incident may have exposed names, addresses, driver's license numbers, and account/financial information. Gain FCU interrupted access, engaged forensic investigators, and reported the matter to authorities. Notices were sent on February 4, 2026, offering credit monitoring and fraud alert guidance. No misuse has been confirmed.

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Incident timeline

Oct 20, 2025

Discovered

Feb 4, 2026

Filed

This filing is one of 4 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (3) · sorted by filing gap

California State AGbd_ca9f5fe590c9106d2026-02-04Candidate
Indiana State AGbd_fde3c66c99ad683e2026-02-04Verified
Massachusetts State AGbd_05e319c765c5dc362026-02-05 · +1dVerified

Name: Gain Federal Credit Union
norm: gain federal credit union

Name: Gain Federal Credit Union
norm: gain federal credit union
Industry: Financial Servicesllm

Discovered: Oct 20, 2025
Materiality determined: —
Notification sent: Feb 4, 2026
Affected individuals: Not disclosed
Data types: Identity (basic)Government IDFinancial account
Attack vector: Phishing
MITRE ATT&CK: T1566.002 Spearphishing Link
Threat actor: External
Regulator citations: reported the matter to appropriate authorities
Initial access: phishing_link

During the incident: Conducted an investigation that included forensics and legal investigators
Access to the account was immediately interrupted
Reported the matter to appropriate authorities
Retained independent third-party forensics firms to investigate the incident
Sought the advice of legal and cyber-security experts
Changes made: Took additional security measures to prevent an event like this from re-occurring
Source: Quoted from the filing itself, not independently verified.

Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 4 filings · 4 states

View merged incident ↗

California State AGFeb 4 · first

Indiana State AGFeb 4 · first

Nebraska State AGFeb 4 · first · this page

Massachusetts State AG+1d

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://nebraska.gov/ago/data-breach/documents/68e156fd-8fc0-4dac-8d29-b3bee3cfd78b.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Feb 4, 2026
Raw hash: 6e7c60dd707d9c237e111372fd794b22f78f94cd7fe6f4cfc37ab50e562518ad

Linked disclosures

Regulatory filings (3) · sorted by filing gap

Reporting entityGain Federal Credit Union

Victim entityGain Federal Credit Union

Incidentdiscovered Oct 20, 2025

Stated responseConducted an investigation that included forensics and legal investigators

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancenebraska.gov