MINNESOTASocial EngineeringHealthcareHealthcarePhishingStolen CredentialsCustomer Data InvolvedTargetedIdentity (basic)Government IDHealth (basic)HighResolved

Mille Lacs Health System

bd_ab7f3d53453fd392 · schema v1 · pii pii-v1

Severity

High

Discovered

—

Filed

May 11, 2020

To disclose

—

Affected

10,630

Linked

4 filings

Confidence

97%

Full breach record for Mille Lacs Health System →2 incidents on file

Mille Lacs Health System (MN) reported to HHS on 2020-05-11 a Hacking/IT Incident affecting 10,630 individuals. Several employees were victims of an email phishing scheme. PHI exposed included names, addresses, Social Security numbers, and clinical information. Breached information was located in Email. MLHS notified affected individuals, the media, and posted substitute notice. Credit monitoring and identity theft restoration services were offered. Additional safeguards and employee retraining were implemented.

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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

May 11, 2020

Filed

—

Corroborated · see linked filings

Compliance clocks stay unassessable until a regulatory filing lands. Dashed segments fill in automatically when corroboration arrives.

This filing is one of 4 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (3) · sorted by filing gap

Montana State AGbd_3ae007d21dd332ae2020-05-11Candidate
New Hampshire State AGbd_10d2923b568bd44d2020-05-13 · +2dVerified
Massachusetts State AGbd_e569ec91ef8b8a052020-05-08 · +3dVerified

Name: Mille Lacs Health System
norm: mille lacs health system
Industry: Health Care Services

Name: Mille Lacs Health System
norm: mille lacs health system
Industry: Health Care Services
Industry: Healthcaresource default

Discovered: Not extracted — the OCR public portal omits it
Materiality determined: —
Notification sent: —
Affected individuals: 10,630nationwide
Data types: Identity (basic)Government IDHealth (basic)
HHS breach type: Hacking / IT incident
Where the data lived: Email
Covered-entity type: Healthcare provider
Attack vector: Unauthorized Access
MITRE ATT&CK: T1566 PhishingT1078 Valid Accounts
Threat actor: External
Regulator citations: HHS OCR notified
Initial access: phishing_link

During the incident: Notified HHS
Notified affected individuals
Notified media
Posted substitute notice on website
Changes made: Implemented additional administrative and technical safeguards
Retrained all employees on identifying fraudulent email communications
Provided complimentary credit monitoring and identity theft restoration services to affected individuals
Posted substitute notice on website
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.

Filing propagation · 4 filings · 4 states

View merged incident ↗

Massachusetts State AGMay 8 · first

Montana State AG+3d

HHS OCR+3d · this page

New Hampshire State AG+5d

Pattern: first filing May 8 (MA), last May 13 (NH) — a 5-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?

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: May 11, 2020
Raw hash: a4426f446d6abad0cc2ef7ba98cd8614543d72ac1a5ab1669baf82e0c00bd06b

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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Linked disclosures

Regulatory filings (3) · sorted by filing gap

Reporting entityMille Lacs Health System

Victim entityMille Lacs Health System

IncidentUnauthorized Access

Stated responseNotified HHS

ComplianceHHS notified

Extraction provenanceno artifact recorded

Source provenanceocrportal.hhs.gov

Source filing