County of Rock, WI
ent_91c1c41e68cee953
Disclosures
7
State AG · HHS OCR · 6 jurisdictions
Multi-filing incidents
2
incidents joining 2+ filings here
Max affected reported
25,823
nationwide · 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 (7)newest first
- Maine State AGas victim2024-10-09
County of Rock, WI reported a ransomware event where unauthorized access occurred between Sept 22-30, 2023, resulting in data encryption and acquisition. Discovered Sept 29, 2023. Affected data included names and SSNs. 22,259 individuals affected total, including 1 Maine resident. Notifications sent Oct 9, 2024. Credit monitoring offered.
- 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.
- Massachusetts State AGas victim2023-12-01
County of Rock, WI reported a data breach to the Massachusetts Office of Consumer Affairs and Business Regulation. The breach was reported on 2023-12-01. 7 Massachusetts residents were affected. The report records the breach type as electronic.
- Montana State AGas victim2023-12-01
The County of Rock, WI experienced a ransomware event between September 22 and 30, 2023, discovered on September 29, 2023. Unauthorized access resulted in system encryption and data acquisition. The County reported the incident to federal law enforcement and is offering complimentary credit monitoring to affected individuals.
- 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.