Union County, Ohio
ent_d7999b0e1c816b74bb0fd1cd
Disclosures
3
State AG · 3 jurisdictions
Multi-filing incidents
1
incidents joining 2+ filings here
Max affected reported
45,487
nationwide · State AG ME
Leak-site claims
0
none in sample
Identity resolution
- Canonical name
- Union County, Ohio
- Normalized
- union county ohio— 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 (3)newest first
- New Hampshire State AGas victim2025-10-06
Union County, Ohio notified the New Hampshire Attorney General of a ransomware incident. Unauthorized access occurred May 6-18, 2025, detected May 18, 2025. Names and SSNs of 20 NH residents were compromised. Notices sent Sept 24, 2025, including credit monitoring.
- Montana State AGas victim2025-09-24
Union County, Ohio notified individuals of a ransomware incident detected on May 18, 2025. Unauthorized access occurred between May 6 and May 18, 2025. Personal information was accessed and exfiltrated. The County engaged forensic consultants and law enforcement, reset passwords, and enhanced security monitoring. Notices were sent beginning August 25, 2025.
- Maine State AGas victim2025-09-24
Union County, Ohio reported a ransomware incident where attackers accessed the network from May 6 to May 18, 2025. The breach was discovered on August 25, 2025, after forensic review confirmed data exfiltration. Approximately 45,487 individuals were affected, including 2 Maine residents. The County engaged third-party forensic consultants, alerted federal law enforcement, reset passwords, and enhanced network security. Notices were sent on September 24, 2025.