MalwareGovernmentGovernmentRansomwareData ExfiltratedData EncryptedCustomer Data InvolvedEmployee Data InvolvedIdentity (basic)Government IDFinancial accountHealth (basic)MediumContained

Iowa County

bd_570aa911ac6f9741 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Apr 28, 2025

Filed

Aug 12, 2025

To disclose

15 weeks

Affected

2state residents only

Linked

3 filings

Confidence

67%

Full breach record for Iowa County →

Iowa County, Wisconsin, notified the New Hampshire Attorney General on August 8, 2025, of a ransomware incident detected on April 28, 2025. The breach affected two New Hampshire residents, exposing names, government IDs (SSN, driver's license), financial account numbers, and limited health information. The county engaged forensic experts, restored systems from backups, and provided credit monitoring to affected individuals.

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Incident timeline

discovery → filing · 15 weeks / 106 days

Apr 28, 2025

Discovered

Aug 12, 2025

Filed

This filing is one of 3 filings about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (2) · sorted by filing gap

Nebraska State AGbd_c292da6f50a12f872025-08-08 · +4dCandidate
Indiana State AGbd_ee2181a70bb96e962025-08-08 · +4dVerified

Name: Iowa County
norm: iowa county

Name: Iowa County
norm: iowa county
Industry: Governmentllm

Discovered: Apr 28, 2025
Materiality determined: —
Notification sent: Aug 8, 2025
Affected individuals: 2state-resident count only
Data types: Identity (basic)Government IDFinancial accountHealth (basic)
Data elements: Social Security numberDate of birthMedical information
Attack vector: Ransomware
MITRE ATT&CK: T1486 Data Encrypted for ImpactT1041 Exfiltration Over C2 Channel
Threat actor: ExternalFinancial
Regulator citations: Notified law enforcement

During the incident: Engaged outside counsel
Retained cybersecurity experts to conduct a privileged forensic investigation
Restored files from backups
Assessed which files were impacted
Shared regular updates with the public through the county's website
Resetting passwords
Migrating to online services
Establishing stronger password requirements
Deploying endpoint detection on every endpoint
Engaged a data-review firm to assess the impacted files
Notified law enforcement
Changes made: Migrating to online services
Establishing stronger password requirements
Deploying endpoint detection on every endpoint
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 15 weeks(106 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 3 filings · 3 states

View merged incident ↗

Nebraska State AGAug 8 · first

Indiana State AGAug 8 · first

New Hampshire State AG+4d · this page

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://mm.nh.gov/files/uploads/doj/remote-docs/iowa-county-wisconsin-20250812.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Aug 12, 2025
Raw hash: 5f15f8914ce15b28640cbf89349aa1838e7710ed663010f714892a7fd6fb93c8

Linked disclosures

Regulatory filings (2) · sorted by filing gap

Reporting entityIowa County

Victim entityIowa County

Incidentdiscovered Apr 28, 2025

Stated responseEngaged outside counsel

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov