DisclosureLens
CALIFORNIAMalwareHealthcareHealthcareRansomwareBusiness Associate (HIPAA)Customer Data InvolvedData EncryptedRansom DemandedHealth (basic)Identity (basic)MediumResolved

Methodist Hospital of Southern California

bd_b797ec81be26bb95 · schema v1 · pii pii-v1

Severity

Medium

Discovered

—

Filed

Nov 4, 2020

To disclose

—

Affected

39,881

Linked

2 filings

Confidence

98%
Full breach record for Methodist Hospital of Southern California →

Methodist Hospital of Southern California reported to HHS OCR on 2020-11-04 that its business associate experienced a ransomware attack affecting the ePHI of approximately 39,881 individuals. Breached information was located on a Network Server and included names, addresses, dates of birth, and treatment information. The breach involved the CE's medical foundation, which is not subject to HIPAA Rules.

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 4, 2020

Filed

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

This filing is one of 2 filings about the same incident.View merged incident
Part of BLACKBAUD, INC. supply-chain incident (2020) — a supply-chain cascade affecting multiple organizations.View cascade →

Linked disclosures

Why this link?

Regulatory filings (1) · sorted by filing gap

Filing propagation · 2 filings

View merged incident ↗
California State AGNov 4 · first
HHS OCRNov 4 · first · this page

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.