HackingStolen CredentialsData ExfiltratedCustomer Data InvolvedDownstream VictimsPIIIDENTITY_BASICIDENTITY_GOVERNMENTHighContained
BAYMARK HEALTH SERVICES, INC.
bd_52c70a5301f6009f · schema v1 · pii pii-v1
Full breach record for BAYMARK HEALTH SERVICES, INC. →BayMark Health Services, Inc. notified the New Hampshire Attorney General of a security incident affecting 5,460 NH residents. Unauthorized access occurred between Sept 24 and Oct 14, 2024. BayMark detected the incident on Oct 11, 2024, and confirmed patient data was involved on March 20, 2025. Notifications were mailed on May 2, 2025, offering credit monitoring.
Leak gap clock✗ Leak >180d29 weeks discovery → filing
This filing is one of 3 about the same incident.View merged incident
A leak claim by ransomhub about this victim predates this filing by 215 days.View originating leak claim
Linked disclosures
Why this link?Regulatory filings (2) · sorted by filing gap
- bd_1cedfa4d4dcc2eaaIndiana State AGfiled 2025-05-02Verified
- bd_fea57e1ef45f00b7Vermont State AGfiled 2025-05-02Candidate
Source provenance
- Source URL
- https://mm.nh.gov/files/uploads/doj/remote-docs/baymark-health-20250502.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
- Filed at
- May 2, 2025
- Raw hash
- a57775a10c6bcefd6b81d5de8001c38d7276619ca17e2cec17cfe9dced8f29b7
Reporting entity
- Name
- BAYMARK HEALTH SERVICES, INC.norm: baymark health
- Domain
- baymark.com
Victim entity
- Name
- BAYMARK HEALTH SERVICES, INC.norm: baymark health
- Domain
- baymark.com
Incident
- Discovered
- Oct 11, 2024
- Materiality determined
- Mar 20, 2025
- Notification sent
- May 2, 2025
- Affected individuals
- 5,460
- Data types
- PIIIDENTITY_BASICIDENTITY_GOVERNMENT
- Attack vector
- Unauthorized Access
- MITRE ATT&CK
- T1078 Valid AccountsT1119 Automated Collection
- Threat actor
- ExternalFinancial
- Regulator citations
- Notified law enforcement
- Initial access
- valid_credentials
Compliance
- Time to disclose
- 29 weeks(203 days from discovery to filing)
- Compliance flags
- Leak >180d
- Discovery-date grounding
- letter-groundedThe discovery date is the detection date narrated in the notification letter — the defensible tier.
Extraction provenance
- Status
- No extraction artifact recorded for this disclosure.