MalwareGovernmentGovernmentRansomwareData EncryptedRansom DemandedIdentity (basic)Government IDMediumContained

Union County, Oregon

bd_e6bd4e3174cee70a · schema v1 · pii pii-v2

Severity

Medium

Discovered

May 18, 2025

Filed

Sep 24, 2025

To disclose

—

Affected

Not disclosed

Confidence

65%

Full breach record for Union County, Oregon →2 incidents on file

Union County, Ohio, notified affected individuals of a ransomware incident detected on May 18, 2025. Unauthorized access occurred between May 6 and May 18, 2025. The County engaged third-party forensic consultants and federal law enforcement. Remediation included enterprise-wide password resets, enhanced network monitoring, and strengthened external access restrictions. Affected data included personal information (identity_basic, identity_government). Notices were sent starting August 25, 2025, offering credit monitoring.

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Incident timeline

undetected · 12 days

May 6, 2025

Begins

May 18, 2025

Discovered

Sep 24, 2025

Filed

Tracked as a single-filing incident — the only disclosure on record for this event so far.ConfirmedView incident

Name: Union County, Oregon
norm: union county oregon

Name: Union County, Oregon
norm: union county oregon
Industry: Governmentllm

Discovered: May 18, 2025
Breach occurred: May 6, 2025 – May 18, 2025
Undetected for: 12 daysoccurrence → discovery
Materiality determined: —
Notification sent: Aug 25, 2025
Affected individuals: Not disclosed
Data types: Identity (basic)Government ID
Attack vector: Ransomware
MITRE ATT&CK: T1486 Data Encrypted for Impact
Threat actor: ExternalFinancial

During the incident: Launched an investigation with assistance from nationally recognized third-party cybersecurity and data forensics consultants
Alerted federal law enforcement
Conducted a thorough review of the impacted data
Deployed security tools to enhance detection and accelerate response to cyber incidents
Continuing to actively monitor its network using end point detection tools
Conducted an enterprise-wide password reset
Strengthened restrictions for external network access
Evaluating steps to further bolster our cyber defenses
Monitoring internet sources
Notify all appropriate state regulators
Changes made: Deployed security tools to enhance detection and accelerate response to cyber incidents
Continuing to actively monitor its network using end point detection tools
Conducted an enterprise-wide password reset
Strengthened restrictions for external network access
Evaluating steps to further bolster our cyber defenses
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.

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/6d20b573-86d3-4ebf-bf28-92de7c7bcaee.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Sep 24, 2025
Raw hash: 960c35d44b04ee77cb32ecfefd604b1c9afd869ffe9fdd7893dbd290fa2b3ed5

Reporting entityUnion County, Oregon

Victim entityUnion County, Oregon

Incidentdiscovered May 18, 2025

Stated responseLaunched an investigation with assistance from nationally recognized third-party cybersecurity and data forensics consultants

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancenebraska.gov