MICHIGANHackingHealthcareHealthcarePhishingStolen CredentialsCustomer Data InvolvedPHIHealth (basic)Identity (basic)Government IDHighContained

University of Michigan/Michigan Medicine

bd_8712376551c397e5 · schema v1 · pii pii-v1

Severity

High

Discovered

—

Filed

Oct 25, 2022

To disclose

—

Affected

33,857

Confidence

69%

Full breach record for University of Michigan/Michigan Medicine →11 incidents on file

University of Michigan/Michigan Medicine reported to HHS on 2022-10-25 a Hacking/IT Incident affecting 33,857 individuals. Breached information located on Email. Employees were subjects of an email phishing scheme affecting PHI including names, addresses, DOB, SSNs, and health data.

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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.

Incident timeline — partial

? — ?

Breach window unknown

Oct 25, 2022

Filed

No interval is drawn: no breach start or discovery date is on record for this filing.

Tracked as a single-filing incident — the only disclosure on record for this event so far.Confirmed33,857 affectedView incident

Name: University of Michigan/Michigan Medicine
norm: university of michigan michigan medicine
Domain: med.umich.edu
Industry: Health Care Services

Name: University of Michigan/Michigan Medicine
norm: university of michigan michigan medicine
Domain: med.umich.edu
Industry: Healthcaresource default

Discovered: Not extracted — the OCR public portal omits it
Materiality determined: —
Notification sent: —
Affected individuals: 33,857nationwide
Data types: PHIHealth (basic)Identity (basic)Government ID
HHS breach type: Hacking / IT incident
Where the data lived: Email
Covered-entity type: Healthcare provider
Attack vector: Unauthorized Access
MITRE ATT&CK: T1566.002 Spearphishing LinkT1078 Valid Accounts
Threat actor: External
Regulator citations: Notified HHS
Initial access: phishing_link

During the incident: Notified HHS
Notified affected individuals
Notified the media
Provided substitute notice
Implemented additional administrative, technical, and security safeguards to better protect its PHI
Staff were retrained on email security precautions
Changes made: Implemented additional administrative, technical, and security safeguards to better protect its PHI
Staff were retrained on email security precautions
Source: Quoted from the filing itself, not independently verified.

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

Status: No extraction artifact recorded for this disclosure.

Evidence ladder

Leak-site claim

Attacker assertion only. Establishes: claim date, group, alleged victim.

Press / market report

Unlocks: incident narrative, operational impact. Still no compliance clock.

State AG / regulator filingThis record

Unlocks: discovery date, data types, affected count, compliance clock.

SEC 8-K / victim statement

Unlocks: materiality, stated response, full audit trail. Ceiling removed.

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 25, 2022
Raw hash: b86e7ebd44b126aad4e4cc9f99160e949039eb1192ad8d4384b48d6f37bc8b94

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 entityUniversity of Michigan/Michigan Medicine

Victim entityUniversity of Michigan/Michigan Medicine

IncidentUnauthorized Access

Stated responseNotified HHS

ComplianceHHS notified

Extraction provenanceno artifact recorded

Source provenanceocrportal.hhs.gov

Source filing