CALIFORNIAMalwareHealthcareHealthcareRansomwareRansom DemandedData EncryptedCustomer Data InvolvedHealth (basic)Identity (basic)MediumResolved

Buddhist Tzu Chi Medical Foundation

bd_d7fff08dd0cf4675 · schema v1 · pii pii-v1

Severity

Medium

Discovered

—

Filed

Sep 13, 2021

To disclose

—

Affected

18,968

Linked

4 filings

Confidence

98%

Full breach record for Buddhist Tzu Chi Medical Foundation →

Buddhist Tzu Chi Medical Foundation (CA) reported to HHS OCR on 2021-09-13 a ransomware attack affecting 18,968 individuals. Breached information was located on a Network Server. PHI involved included names, addresses, dates of birth, and diagnoses. The CE notified HHS, affected individuals, and media, and provided substitute notice. In response, the CE strengthened administrative and technical safeguards and retrained staff. OCR provided technical assistance on HIPAA Privacy and Security Rule compliance.

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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

Sep 13, 2021

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 4 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (3) · sorted by filing gap

Montana State AGbd_81b637470d4bde872021-09-13Candidate
California State AGbd_365727d41ae38a182021-09-09 · +4dVerified by operator
Washington State AGbd_79c5446bfb03079a2021-10-20 · +37dVerified

Name: Buddhist Tzu Chi Medical Foundation
norm: buddhist tzu chi medical
Industry: Health Care Services

Name: Buddhist Tzu Chi Medical Foundation
norm: buddhist tzu chi medical
Industry: Health Care Services
Industry: Healthcaresource default

Discovered: Not extracted — the OCR public portal omits it
Materiality determined: —
Notification sent: —
Affected individuals: 18,968nationwide
Data types: Health (basic)Identity (basic)
HHS breach type: Hacking / IT incident
Where the data lived: Network server
Covered-entity type: Healthcare provider
Attack vector: Unauthorized Access
MITRE ATT&CK: T1486 Data Encrypted for Impact
Threat actor: ExternalFinancial
Regulator citations: HHS OCR notified; OCR provided technical assistance regarding the HIPAA Privacy and Security Rule

During the incident: Notified HHS
Notified affected individuals
Notified media
Provided substitute notice
Changes made: Strengthened administrative and technical safeguards
Retrained staff
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.

Filing propagation · 4 filings · 3 states

View merged incident ↗

California State AGSep 9 · first

Montana State AG+4d

HHS OCR+4d · this page

Washington State AG+41d

Pattern: first filing Sep 9 (CA), last Oct 20 (WA) — a 41-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?

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: Sep 13, 2021
Raw hash: 43b7b23f2343ed927899d9b1fdda6571150c30995f06a6c0508a594bab1b8a54

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Linked disclosures

Regulatory filings (3) · sorted by filing gap

Reporting entityBuddhist Tzu Chi Medical Foundation

Victim entityBuddhist Tzu Chi Medical Foundation

IncidentUnauthorized Access

Stated responseNotified HHS

ComplianceHHS notified

Extraction provenanceno artifact recorded

Source provenanceocrportal.hhs.gov

Source filing