CALIFORNIAMalwareHealthcareHealthcareRansomwareData EncryptedCustomer Data InvolvedPHIHealth (basic)Identity (basic)MediumContained

On Lok Senior Health Services

bd_4480470b778872a1 · schema v1 · pii pii-v1

Severity

Medium

Discovered

—

Filed

Jul 13, 2021

To disclose

—

Affected

1,643

Linked

2 filings

Confidence

68%

Full breach record for On Lok Senior Health Services →

On Lok Senior Health Services reported to HHS on 2021-07-13 a Hacking/IT Incident affecting 1643 individuals. Breached information located on Network Server. The incident involved a ransomware attack exposing ePHI including names, DOB, addresses, diagnoses, and medications.

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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

Jul 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 2 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (1) · sorted by filing gap

California State AGbd_eac61bca3a48f5522021-08-12 · +30dCandidate

Name: On Lok Senior Health Services
norm: on lok senior health
Industry: Insurance — Health

Name: On Lok Senior Health Services
norm: on lok senior health
Industry: Healthcaresource default

Discovered: Not extracted — the OCR public portal omits it
Materiality determined: —
Notification sent: —
Affected individuals: 1,643nationwide
Data types: PHIHealth (basic)Identity (basic)
HHS breach type: Hacking / IT incident
Where the data lived: Network server
Covered-entity type: Health plan
Attack vector: Unauthorized Access
MITRE ATT&CK: T1486 Data Encrypted for Impact
Threat actor: ExternalFinancial
Regulator citations: OCR provided technical assistance to the CE regarding the HIPAA Security Rule

During the incident: Notified HHS, affected individuals, and the media
Created a call center
Offered complimentary credit monitoring services
Changes made: Implemented additional administrative, technical, and security safeguards to better protect its ePHI
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 · 2 filings

View merged incident ↗

HHS OCRJul 13 · first · this page

California State AG+30d

Pattern: first filing Jul 13 (CA), last Aug 12 (CA) — a 30-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: Jul 13, 2021
Raw hash: e72e49b8f1cb1b3a1d237c560aee80fddacfa9fa593a4ad3449689b81f1abd91

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Linked disclosures

Regulatory filings (1) · sorted by filing gap

Reporting entityOn Lok Senior Health Services

Victim entityOn Lok Senior Health Services

IncidentUnauthorized Access

Stated responseNotified HHS, affected individuals, and the media

ComplianceHHS notified

Extraction provenanceno artifact recorded

Source provenanceocrportal.hhs.gov

Source filing