County of Rock, WI
ent_91c1c41e68cee953
Disclosures
6
State AG · HHS OCR · 5 jurisdictions
Incidents
1
filings grouped by incident
Max affected reported
25,823
as filed · State AG ME
Leak-site claims
0
none in sample
Identity resolution
- Canonical name
- County of Rock, WI
- Normalized
- county of rock wi— dedupe via name-norm; Microsoft / MSFT collapse to one row
- GLEIF LEI
- No match
- SEC EDGAR CIK
- None — not an SEC registrant
- Domain
- None on record
Disclosure history (6)newest first
- 🦞Maine State AGas victim2024-10-09
County of Rock, WI experienced a ransomware event between September 22–30, 2023, during which unauthorized actors accessed county computer systems, encrypted certain systems, and acquired data including names and Social Security numbers of 22,259 individuals. A comprehensive data review completed July 29, 2024 identified 1 Maine resident affected. Written notice was sent October 9, 2024. IDX credit monitoring (12 months) was offered to affected individuals.
- ⛰️New Hampshire State AGas victim2024-10-09
County of Rock, WI notified one New Hampshire resident of a ransomware event. Unauthorized access occurred between Sept 22-30, 2023, resulting in system encryption and data acquisition. Discovery was Sept 29, 2023. The County notified federal law enforcement, offered credit monitoring, and enhanced security policies.
- 🍁Vermont State AGas victim2023-12-01
The County of Rock, WI experienced a ransomware event between September 22-30, 2023. Suspicious activity included system encryption and unauthorized access. The incident resulted in the unauthorized acquisition of personal information, including names. The County reported the incident to federal law enforcement and offered complimentary credit monitoring to affected individuals.
- 🦞Maine State AGas victim2023-12-01
County of Rock, WI reported an external system breach that occurred between September 22, 2023, and September 30, 2023. The breach, discovered on September 29, 2023, affected 25,823 individuals. The compromised information included names and Social Security Numbers. Affected residents were notified on December 1, 2023, and offered 12 months of credit monitoring services through IDX.
- 🦬Montana State AGas victim2023-12-01
County of Rock, WI reported a data breach to the Montana Attorney General. The breach was reported on 2023-12-01. The breach occurred from 9/29/2023 to 9/30/2023. 3 Montana residents were affected.
- WISCONSINHHS OCRas victim2023-11-29
County of Rock, WI reported to HHS on 2023-11-29 a Hacking/IT Incident affecting 10853 individuals. Breached information located on Network Server. The incident involved a ransomware attack exposing PHI including names, addresses, DOB, SSN, driver's license, diagnoses, lab results, medications, and claims data. Response included credit monitoring and enhanced security safeguards.