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.

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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

Nov 4, 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 2 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

California State AGbd_597393eee158ef0e2020-11-04Verified by operator

Name: Methodist Hospital of Southern California
norm: methodist hospital of southern california
Industry: Health Care Services

Name: Methodist Hospital of Southern California
norm: methodist hospital of southern california
Industry: Health Care Services
Industry: Healthcaresource default

Discovered: Not extracted — the OCR public portal omits it
Materiality determined: —
Notification sent: —
Affected individuals: 39,881nationwide
Data types: Health (basic)Identity (basic)
HHS breach type: Hacking / IT incident
Where the data lived: Network server
Covered-entity type: Healthcare providerBusiness associate involved
Attack vector: Unauthorized Access
MITRE ATT&CK: T1486 Data Encrypted for Impact
Threat actor: ExternalFinancial

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 · 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.

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: Nov 4, 2020
Raw hash: abe0cd3fd5a127f848dc46d7361c65d22b8edd8e3b7650e1d6b298ec717bfb45

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Linked disclosures

Regulatory filings (1) · sorted by filing gap

Reporting entityMethodist Hospital of Southern California

Victim entityMethodist Hospital of Southern California

IncidentUnauthorized Access

ComplianceHHS notified

Extraction provenanceno artifact recorded

Source provenanceocrportal.hhs.gov

Source filing