DisclosureLens
NEW YORKMalwareHealthcareHealthcareRansomwareBusiness Associate (HIPAA)Customer Data InvolvedData EncryptedRansom DemandedIdentity (basic)Health (basic)MediumContained

Mount Sinai Health System

bd_e51f3eb93a4788be · schema v1 · pii pii-v1

Severity

Medium

Discovered

—

Filed

Sep 13, 2020

To disclose

—

Affected

87,535

Confidence

98%
Full breach record for Mount Sinai Health System →4 incidents on file

Mount Sinai Health System (NY) reported to HHS on 2020-09-13 a Hacking/IT Incident (ransomware) affecting 87,535 individuals. The breach occurred at a business associate and impacted ePHI stored on a network server, including names, addresses, phone numbers, dates of birth, email addresses, gender, and treatment information. The CE notified HHS, affected individuals, the media, and provided substitute notice.

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

Sep 13, 2020

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.Confirmed87,535 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.