HackingFinancial ServicesFinanceCustomer Data InvolvedIdentity (basic)Government IDFinancial accountMediumContained

Ellafi Federal Credit Union

bd_c400386c182639e8 · schema v1 · pii pii-v2

Severity

Medium

Discovered

Oct 14, 2025

Filed

Dec 23, 2025

To disclose

—

Affected

1state residents only

Linked

6 filings

Confidence

66%

Full breach record for Ellafi Federal Credit Union →

Ellafi Federal Credit Union notified Nebraska AG of a data security incident discovered on October 14, 2025, involving unauthorized access to systems. Approximately 1 Nebraska resident was affected, with potential exposure of names, SSNs, and credit/debit card numbers. EFCU engaged forensic experts, notified the FBI, and provided 12 months of credit monitoring via IDX.

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Incident timeline

Oct 14, 2025

Begins

Oct 14, 2025

Discovered

Dec 23, 2025

Filed

This filing is one of 6 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (5) · sorted by filing gap

Indiana State AGbd_d5f35a53cb9420352025-12-23Verified
New Hampshire State AGbd_3253b3d33844ae042025-12-26 · +3dVerified
Massachusetts State AGbd_82a62062914256702025-12-27 · +4dVerified
Maine State AGbd_9c226fd1cb837e142025-12-27 · +4dCandidate

Show 1 more filing ↓up to 4d gap

Vermont State AGbd_bcc8904986e140822025-12-27 · +4dVerified

Name: Constangy, Brooks, Smith & Prophete, LLP
norm: constangy brooks smith prophete

Name: Ellafi Federal Credit Union
norm: ellafi federal credit union
Industry: Financial Servicesllm

Discovered: Oct 14, 2025
Breach occurred: Oct 14, 2025
Undetected for: 0 daysoccurrence → discovery
Materiality determined: —
Notification sent: Dec 23, 2025
Affected individuals: 1state-resident count only
Data types: Identity (basic)Government IDFinancial account
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing Application
Threat actor: ExternalFinancial
Regulator citations: Notified Nebraska Attorney General's Office
Initial access: exploit_public_facing

During the incident: Engaged cybersecurity experts to assist with the process
Notified the Federal Bureau of Investigation and will cooperate with any resulting investigation
Established a toll-free call center through IDX
Provided complimentary identity protection services, including 12 months of complimentary credit monitoring
Changes made: Implemented additional safeguards to help ensure the security of its systems
Provided individuals with guidance on how to better protect against identity theft and fraud
Provided information on how to place a fraud alert and security freeze on their credit file
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 · 6 filings · 6 states

View merged incident ↗

Indiana State AGDec 23 · first

Nebraska State AGDec 23 · first · this page

New Hampshire State AG+3d

Massachusetts State AG+4d

Maine State AG+4d

Vermont State AG+4d

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/7690900f-a328-438d-97e1-132e0c6e1127.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Dec 23, 2025
Raw hash: 8e883bfc0c50841fc2074f624ef083cd5fba87776ec3c5ada2f6f87d5f0a7dce

Linked disclosures

Regulatory filings (5) · sorted by filing gap

Reporting entityConstangy, Brooks, Smith & Prophete, LLP

Victim entityEllafi Federal Credit Union

Incidentdiscovered Oct 14, 2025

Stated responseEngaged cybersecurity experts to assist with the process

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancenebraska.gov