HackingDelayed DiscoveryCustomer Data InvolvedIDENTITY_BASICIDENTITY_GOVERNMENTHEALTH_BASICPHIMediumContained
Medical Oncology Hematology Consultants, P.A.
bd_996ebc1f9fbd4c3c · schema v1 · pii pii-v1
Full breach record for Medical Oncology Hematology Consultants, P.A. →Hematology Oncology Consultants (HOC), a Michigan healthcare provider, notified the New Hampshire Attorney General of a data event affecting 2 NH residents. Unauthorized access occurred on the network around September 20, 2025, but was discovered on February 12, 2026. Affected data included names, SSNs, and PHI. HOC engaged cyber specialists, enhanced network security, and offered 12 months of credit monitoring.
Leak gap clock✗ Leak >180d11 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.
This filing is one of 5 about the same incident.View merged incident
A leak claim by rhysida about this victim predates this filing by 222 days.View originating leak claim
Linked disclosures
Why this link?Ransomware claims (2)
- bd_48da52597f13bd15Leak Siterhysidafiled 2025-10-17(194d gap)Verified by operator
- bd_46e41800cd5f36a8Leak Siterhysidafiled 2025-09-20(222d gap)Verified by operator
Regulatory filings (2) · sorted by filing gap
- bd_d8e6325f69d84a82Massachusetts State AGfiled 2026-05-01(1d gap)Verified by operator
- bd_2e0638d56653ed15HHS OCRfiled 2026-04-24(6d gap)Verified by operator
Source provenance
- Source URL
- https://mm.nh.gov/files/uploads/doj/remote-docs/hematology-oncology-consultants-20260430.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
- Filed at
- Apr 30, 2026
- Raw hash
- a9c1df81ae7862a237afc62576354c8a7024768bf98b9126864054e5161cc189
Reporting entity
- Name
- Constangy, Brooks, Smith & Prophete, LLPnorm: constangy brooks smith prophete
Victim entity
- Name
- Medical Oncology Hematology Consultants, P.A.norm: medical oncology hematology consultants
Incident
- Discovered
- Feb 12, 2026
- Materiality determined
- —
- Notification sent
- Apr 24, 2026
- Affected individuals
- 2
- Data types
- IDENTITY_BASICIDENTITY_GOVERNMENTHEALTH_BASICPHI
- Attack vector
- Unauthorized Access
- MITRE ATT&CK
- T1078 Valid AccountsT1119 Automated Collection
- Threat actor
- ExternalFinancial
- Regulator citations
- Notified New Hampshire Attorney GeneralNotified three major credit reporting agencies (Equifax, Experian, TransUnion)
Compliance
- Time to disclose
- 11 weeks(77 days from discovery to filing)
- Compliance flags
- Leak >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.