MalwareRansomwareTargetedIDENTITY_BASICLowContained
ARTEMIS HEALTHCARE I HEDGECO, LLC
bd_7bc2ee7fff02d143 · schema v1 · pii pii-v1
Full breach record for ARTEMIS HEALTHCARE I HEDGECO, LLC →Artemis Healthcare, Inc. disclosed a ransomware attack targeting its network between May 5 and May 31, 2025. The incident was discovered on May 31, 2025. The breach impacted patient information, including names and potentially other data elements. Artemis engaged third-party forensic specialists, reset passwords, and notified regulators. Notification was sent on December 23, 2025, to individuals in multiple states including Vermont, Maryland, New York, North Carolina, and Rhode Island.
Vermont clock✗ VT AG >45 bday29 weeks discovery → filing
⚠ unattributedNo provenance was recorded for this discovery date and it matches no other date on the record. It may be correct, but it is not independently grounded.
Tracked as a single-filing incident — the only disclosure on record for this event so far.ConfirmedView incident
A leak claim by crypto24 about this victim predates this filing by 188 days.View originating leak claim
Source provenance
- Source URL
- https://ago.vermont.gov/document/2025-12-23-artemis-healthcare-data-breach-notice-consumers
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
- Filed at
- Dec 23, 2025
- Raw hash
- 64081b5946e2178aa1a320be056e9ebb7ec95a04746d73f29fa795dc63bbaffa
Reporting entity
- Name
- ARTEMIS HEALTHCARE I HEDGECO, LLCnorm: artemis healthcare i hedgeco
- Domain
- arianadx.com
Victim entity
- Name
- ARTEMIS HEALTHCARE I HEDGECO, LLCnorm: artemis healthcare i hedgeco
- Domain
- arianadx.com
Incident
- Discovered
- May 31, 2025
- Materiality determined
- Dec 23, 2025
- Notification sent
- Dec 23, 2025
- Affected individuals
- Not disclosed
- Data types
- IDENTITY_BASIC
- Attack vector
- Ransomware
- MITRE ATT&CK
- T1486 Data Encrypted for Impact
- Threat actor
- ExternalFinancial
- Regulator citations
- Notified relevant state and federal regulators
Compliance
- Time to disclose
- 29 weeks(206 days from discovery to filing)
- Compliance flags
- VT AG >45 bdayLeak >180d
- Discovery-date grounding
- unattributedNo provenance was recorded for this discovery date and it matches no other date on the record. It may be correct, but it is not independently grounded.
Extraction provenance
- Status
- No extraction artifact recorded for this disclosure.