MalwareRansomwareData ExfiltratedData EncryptedCustomer Data InvolvedIDENTITY_BASICLowContained
Horizon Healthcare RCM
bd_2c30bdb47fb3604a · schema v1 · pii pii-v1
Full breach record for Horizon Healthcare RCM →Horizon Healthcare RCM, a former revenue-cycle management company, issued a supplemental notice regarding a December 2024 ransomware incident. A computer virus encrypted files and data was copied between Dec 26-27, 2024. The incident affected patient information (names and other data elements) of individuals who received services from a former Horizon customer. Horizon restored systems, arranged for data deletion by the attacker, and provided complimentary Kroll identity monitoring.
This filing is one of 5 about the same incident.View merged incident
Linked disclosures
Why this link?Regulatory filings (4) · sorted by filing gap
- bd_2494d37011c4c79cHHS OCRfiled 2025-06-27Verified
- bd_25fcf4be90ea1349Indiana State AGfiled 2025-06-27Verified
- bd_a3ed180e1ba972d7New Hampshire State AGfiled 2025-06-27Verified
- bd_b9ed9343a285ba77Maine State AGfiled 2025-06-27Verified
Source provenance
- Source URL
- https://consumer.sc.gov/sites/consumer/files/Documents/Security%20Breach%20Notices/2025/Notification%20Letter%20to%20Consumer%20Supplemental.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
- Filed at
- Jun 27, 2025
- Raw hash
- 7bed5253c864b2135f198317ae37657a343dedc7e2947f2481199d691d403523
Reporting entity
- Name
- Horizon Healthcare RCMnorm: horizon healthcare rcm
Victim entity
- Name
- Horizon Healthcare RCMnorm: horizon healthcare rcm
Incident
- Discovered
- Dec 27, 2024
- Materiality determined
- Sep 23, 2025
- Notification sent
- Sep 23, 2025
- Affected individuals
- Not disclosed
- Data types
- IDENTITY_BASIC
- Attack vector
- Ransomware
- MITRE ATT&CK
- T1486 Data Encrypted for ImpactT1041 Exfiltration Over C2 Channel
- Threat actor
- ExternalFinancial
- Regulator citations
- Notice has not been delayed by law enforcement
Compliance
- Time to disclose
- 26 weeks(182 days from discovery to filing)
- Compliance flags
- — (clock not assessable for this source)
Extraction provenance
- Status
- No extraction artifact recorded for this disclosure.