ILLINOISSocial EngineeringHealthcareHealthcarePhishingStolen CredentialsBusiness Associate (HIPAA)Customer Data InvolvedEmployee Data InvolvedPHIIdentity (basic)Health (basic)LowContained

MHNU Corporation

bd_bf85a1c9189ae7ec · schema v1 · pii pii-v1

Severity

Low

Discovered

—

Filed

Apr 16, 2024

To disclose

—

Affected

681

Confidence

97%

Full breach record for MHNU Corporation →

MHNU Corporation d/b/a Medical Home Network (a business associate) reported to HHS on 2024-04-16 a Hacking/IT Incident (email phishing attack) affecting 681 individuals. PHI involved included names, dates of birth, addresses, lab results, diagnoses, and medications. Breached information located in Email. The BA notified HHS, affected individuals, the media, and provided substitute notice, and implemented additional safeguards.

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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

Apr 16, 2024

Filed

—

No filing yet · watching

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

Tracked as a single-filing incident — the only disclosure on record for this event so far.Confirmed681 affectedView incident

Name: MHNU Corporation
norm: mhnu
Industry: Health Care Services

Name: MHNU Corporation
norm: mhnu
Industry: Health Care Services
Also named: MHNU Corporationdba oflegal entity
Medical Home Networkdba oftrade name
Industry: Healthcaresource default

Discovered: Not extracted — the OCR public portal omits it
Materiality determined: —
Notification sent: —
Affected individuals: 681nationwide
Data types: PHIIdentity (basic)Health (basic)
HHS breach type: Hacking / IT incident
Where the data lived: Email
Covered-entity type: Business associate
Attack vector: Phishing
MITRE ATT&CK: T1566 PhishingT1114 Email Collection
Threat actor: External
Regulator citations: Notified HHSProvided substitute noticeNotified affected individualsNotified the media
Initial access: phishing_link

During the incident: Notified HHS
Notified affected individuals
Notified the media
Provided substitute notice
Changes made: Implemented additional administrative, technical, and security safeguards to better protect PHI
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: Apr 16, 2024
Raw hash: f58c526a9f31a962027ecd85448ce360e6c13eacaffa378f9678734d7baea42d

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Reporting entityMHNU Corporation

Victim entityMHNU Corporation

IncidentPhishing

Stated responseNotified HHS

ComplianceHHS notified

Extraction provenanceno artifact recorded

Source provenanceocrportal.hhs.gov

Source filing