DisclosureLens
ILLINOISSocial EngineeringHealthcareHealthcarePhishingStolen CredentialsCustomer Data InvolvedIdentity (basic)Government IDHealth (basic)Financial accountMediumResolved

Montrose Behavioral Health Hospital, Inc.

bd_54b2afae0968df50 · schema v1 · pii pii-v1

Severity

Medium

Discovered

—

Filed

Nov 24, 2023

To disclose

—

Affected

597

Confidence

98%
Full breach record for Montrose Behavioral Health Hospital, Inc. →2 incidents on file

Montrose Behavioral Health Hospital, Inc. (IL) reported to HHS OCR on 2023-11-24 a Hacking/IT Incident affecting 597 individuals. An employee was the subject of an email phishing scheme exposing PHI stored in Email systems. PHI involved included names, addresses, dates of birth, Social Security numbers, diagnoses, and health insurance/treatment information. The CE notified HHS, affected individuals, and media, provided credit monitoring, and retrained staff on email security.

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

Nov 24, 2023

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.Confirmed597 affectedView incident

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.