FEDERALMalwareHealthcareHealthcareRansomwareData EncryptedRansom DemandedCustomer Data InvolvedHEALTH_BASICIDENTITY_BASICIDENTITY_GOVERNMENTFINANCIAL_ACCOUNTHighContained

Regents of the University of Michigan

bd_091acb121d8fad50 · schema v1 · pii pii-v1

Full breach record for Regents of the University of Michigan →

The University of Michigan reported that it experienced a ransomware incident that affected the protected health information (PHI) of 61,033 individuals. The breach was reported to HHS on October 23, 2023. The PHI involved included names, addresses, dates of birth, drivers’ license and Social Security numbers, government-issued identification numbers, claims and financial information, diagnoses and conditions, medications, and other treatment information. The breach occurred on a network server. In response, the University offered free credit monitoring and identity protection services, implemented additional security safeguards, and retrained staff.

HIPAA clock✓ HHS notified

⚠ no discovery dateNo discovery date was extracted, so no notification clock can be evaluated.

⚠ No discovery dateThe OCR public portal omits the discovery date, so the 60-day notification clock cannot be evaluated from this source — only that the filing was submitted.

Tracked as a single-filing incident — the only disclosure on record for this event so far.Confirmed61,033 affectedView incident

Source provenance

Source URL: https://ocrportal.hhs.gov/ocr/breach/breach_report.jsf
DisclosureLens renders the full SEC/HHS filing inline below from the originating regulator’s public record (§4.5 fair report privilege).
Filed at: Oct 23, 2023
Raw hash: eca4c54e33cb6ecef2a9dbcc56e07a248590450f659b460e41cecbc46dff0c7d

Source filing

AI-assisted summary above. The structured extract on this page was generated from the document below. Inspect the source to verify or correct any field.

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Reporting entity

Name: Regents of the University of Michigan
norm: regents of the university of michigan
Industry: Health Care Services

Victim entity

Name: Regents of the University of Michigan
norm: regents of the university of michigan
Industry: Health Care Services
Industry: Healthcaresource default

Incident

Discovered: Not extracted — the OCR public portal omits it
Materiality determined: —
Notification sent: —
Affected individuals: 61,033
Data types: HEALTH_BASICIDENTITY_BASICIDENTITY_GOVERNMENTFINANCIAL_ACCOUNT
Attack vector: Unauthorized Access
Threat actor: External
Regulator citations: Notified HHS

Compliance

Compliance flags: HHS notified
Discovery-date grounding: no discovery dateNo discovery date was extracted, so no notification clock can be evaluated.
Clock breakdown: Statute Window Elapsed Threshold Status
HIPAA
Discovered: not extracted
→ Notified: not extracted
— regulatory submission HHS notified

Statute	Window	Elapsed	Threshold	Status
HIPAA	Discovered: not extracted → Notified: not extracted	—	regulatory submission	HHS notified

Extraction provenance

Status: No extraction artifact recorded for this disclosure.