MalwareGovernmentGovernmentRansomwareRansom DemandedData ExfiltratedData PublishedTargetedPIIIdentity (basic)LowContained

Box Elder County

bd_a1e28b49e506ea41 · schema v1 · pii pii-v1

Severity

Low

Discovered

Aug 3, 2025

Filed

Dec 17, 2025

To disclose

19 weeks

Affected

77state residents only

Linked

7 filings

Confidence

65%

Full breach record for Box Elder County →

Box Elder County, Utah, experienced a ransomware incident with unauthorized network access between May 6 and August 3, 2025. The County detected the ransomware on August 3, 2025, and engaged forensic consultants and law enforcement. The attackers exfiltrated public records and posted data online; the County refused to pay ransom. Notices were sent to affected individuals starting November 17, 2025.

J jump to incidentP pin to compareR raw source

Incident timeline

undetected · 89 days

discovery → filing · 19 weeks / 136 days

May 6, 2025

Begins

Aug 3, 2025

Discovered

Dec 17, 2025

Filed

vs. sector median

+9 wks slower

This filing is one of 7 about the same incident.View merged incident

Linked disclosures

Why this link?

Ransomware claims (1)

Leak Siteinterlockbd_7a2d89b97d32cf822025-08-13 · +126dVerified by operator

Regulatory filings (5) · sorted by filing gap

Nebraska State AGbd_153cc7b458d943ec2025-12-17Verified
Maine State AGbd_2991d0849073512f2025-12-17Candidate
Indiana State AGbd_d1cfbff34cfa17612025-12-17Verified
New Hampshire State AGbd_2a7063a4068a187a2025-12-24 · +7dVerified

Show 1 more filing ↓up to 9d gap

Massachusetts State AGbd_83ffa09a231748e52025-12-26 · +9dVerified by operator

Name: Box Elder County
norm: box elder county
Domain: boxeldercounty.org

Name: Box Elder County
norm: box elder county
Domain: boxeldercounty.org
Industry: Governmentllm

Discovered: Aug 3, 2025
Breach occurred: May 6, 2025 – Aug 3, 2025
Undetected for: 89 daysoccurrence → discovery
Materiality determined: —
Notification sent: Nov 17, 2025
Affected individuals: 77state-resident count only
Data types: PIIIdentity (basic)
Attack vector: Ransomware
MITRE ATT&CK: T1486 Data Encrypted for ImpactT1041 Exfiltration Over C2 ChannelT1078 Valid Accounts
Threat actor: ExternalFinancial
Regulator citations: alerted state and federal law enforcementnotified the Utah Attorney General, the Utah Cyber Center, and all appropriate state regulators
Initial access: valid_credentials

During the incident: Launched an investigation with assistance from nationally recognized third-party cybersecurity and data forensics consultants
Alerted state and federal law enforcement
Refused to pay the cyber criminals any ransom
Conducted a thorough review of that data
Deployed security tools to enhance detection and accelerate response to cyber incidents
Actively monitoring our network using end point detection tools
Conducted enterprise-wide password reset
Strengthened restrictions for external network access
Evaluating steps to further bolster our cyber defenses
Notified the Utah Attorney General, the Utah Cyber Center, and all appropriate state regulators
Changes made: Deployed security tools to enhance detection and accelerate response to cyber incidents
Actively monitoring our network using end point detection tools
Conducted 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.

Time to disclose: 19 weeks(136 days from discovery to filing)
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 ↗

Nebraska State AGDec 17 · first

Maine State AGDec 17 · first

Indiana State AGDec 17 · first

Montana State AGDec 17 · first · this page

New Hampshire State AG+7d

Massachusetts State AG+9d

Pattern: first filing Dec 17 (NE), last Dec 26 (MA) — a 9-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?

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://dojmt.gov/wp-content/uploads/2026/03/Consumer-notification-letter-9.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Dec 17, 2025
Raw hash: fc8a931e6399a542f0d90b04cd2b0cafdbe6e8483004d0aceb6824d5d71534c1

Linked disclosures

Ransomware claims (1)

Regulatory filings (5) · sorted by filing gap

Reporting entityBox Elder County

Victim entityBox Elder County

Incidentdiscovered Aug 3, 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 provenancedojmt.gov