HackingFinancial ServicesFinanceStolen CredentialsData ExfiltratedCustomer Data InvolvedIdentity (basic)Government IDFinancial accountMediumContained

Uinta Bank

bd_1ff794aee79a7ba6 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Dec 19, 2025

Filed

May 7, 2026

To disclose

—

Affected

22state residents only

Linked

2 filings

Confidence

66%

Full breach record for Uinta Bank →

Uinta Bank notified Nebraska AG of a December 19, 2025 incident where an unauthorized actor accessed systems and exfiltrated files containing names, SSNs, driver's license numbers, and financial account info. 22 Nebraska residents were notified on May 7, 2026. Law enforcement and regulators were notified. Credit monitoring provided.

J jump to incidentP pin to compareR raw source

Leak gap clock⏱ Leak >90d

Incident timeline

Dec 19, 2025

Begins

Dec 19, 2025

Discovered

May 7, 2026

Filed

This filing is one of 2 about the same incident.View merged incident

A leak claim by dragonforce about this victim predates this filing by 104 days.View originating leak claim

Linked disclosures

Why this link?

Ransomware claims (1)

Leak Sitedragonforcebd_32d1b4e5e35a0c862026-01-22 · +104dVerified

Name: Uinta Bank
norm: uinta bank
Domain: uintabank.com

Name: Uinta Bank
norm: uinta bank
Domain: uintabank.com
Industry: Financial Servicesllm

Discovered: Dec 19, 2025
Breach occurred: Dec 19, 2025
Undetected for: 0 daysoccurrence → discovery
Materiality determined: —
Notification sent: May 7, 2026
Affected individuals: 22state-resident count only
Data types: Identity (basic)Government IDFinancial account
Data elements: Social Security number
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid AccountsT1041 Exfiltration Over C2 Channel
Threat actor: ExternalFinancial
Regulator citations: notified federal law enforcement and its primary federal regulator
Initial access: valid_credentials

During the incident: Implemented its incident response plan
Worked with third-party specialists to investigate
Restored UB’s systems
Reviewed the files that were copied without permission
Notified federal law enforcement and its primary federal regulator
Providing access to credit monitoring services for twelve (12) months, through TransUnion
Changes made: Reviewing its policies, procedures, and safeguards in place in order to limit the likelihood of a similar event
Source: Quoted from the filing itself, not independently verified.

Compliance flags: Leak >90d
Discovery-date grounding: letter-groundedThe discovery date is the detection date narrated in the notification letter — the defensible tier.

Status: No extraction artifact recorded for this disclosure.

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/99f158f5-cfa3-4f30-9eb4-2d42bb049a33.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: May 7, 2026
Raw hash: a9c6a12d9fc1ab79ccb1bc80b7a0fef517de0570751fd9c72fd8b631b42518b0

Linked disclosures

Ransomware claims (1)

Reporting entityUinta Bank

Victim entityUinta Bank

Incidentdiscovered Dec 19, 2025

Stated responseImplemented its incident response plan

ComplianceLeak >90d

Extraction provenanceno artifact recorded

Source provenancenebraska.gov