HackingIdentity (basic)LowContained

CENTRAL ONE FEDERAL CREDIT UNION

bd_66d16b3700c7e0dd · schema v1 · pii pii-v2

Severity

Low

Discovered

Sep 1, 2025

Filed

Nov 10, 2025

To disclose

—

Affected

Not disclosed

Linked

4 filings

Confidence

65%

Full breach record for CENTRAL ONE FEDERAL CREDIT UNION →2 incidents on file

Central One Federal Credit Union notified members of unauthorized access to systems between August 26-30, 2025. An unauthorized party acquired files containing names and other breached elements. No evidence of identity theft was found. The credit union offered one year of complimentary Experian IdentityWorks credit monitoring. The incident was discovered in September 2025.

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Incident timeline

undetected · 6 days

Aug 26, 2025

Begins

Sep 1, 2025

Discovered

Nov 10, 2025

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

Montana State AGbd_1efaabdf724e2a092025-11-10Candidate
Massachusetts State AGbd_2b36e6bc7d9af76d2025-11-10Verified
Texas State AGbd_41d574c5b0ac87002025-11-12 · +2dVerified

Name: CENTRAL ONE FEDERAL CREDIT UNION
norm: central one federal credit union

Name: CENTRAL ONE FEDERAL CREDIT UNION
norm: central one federal credit union

Discovered: Sep 1, 2025
Breach occurred: Aug 26, 2025 – Aug 30, 2025
Undetected for: 6 daysoccurrence → discovery
Materiality determined: —
Notification sent: Nov 7, 2025
Affected individuals: Not disclosed
Data types: Identity (basic)
Attack vector: Unauthorized Access
MITRE ATT&CK: T1119 Automated Collection
Threat actor: External

During the incident: Proactively took systems offline
Investigated the matter
Arranged for you to enroll in a complimentary, one-year membership of Experian IdentityWorksSM Credit 3B
Changes made: Taking steps to reduce the risk of this type of incident occurring in the future
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 ↗

Montana State AGNov 10 · first

Massachusetts State AGNov 10 · first

Nebraska State AGNov 10 · first · this page

Texas State AG+2d

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/5fc3255a-a587-48e9-a9d9-fb125030ee20.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Nov 10, 2025
Raw hash: 813e4a1a464c63df0334b84ce320240c42383b0feaca77c8029674ae70835117

Linked disclosures

Regulatory filings (3) · sorted by filing gap

Reporting entityCENTRAL ONE FEDERAL CREDIT UNION

Victim entityCENTRAL ONE FEDERAL CREDIT UNION

Incidentdiscovered Sep 1, 2025

Stated responseProactively took systems offline

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancenebraska.gov