CALIFORNIAPhysicalHealthcareHealthcareTheftCustomer Data InvolvedHealth (basic)Identity (basic)Government IDHighResolved

John Muir Physician Network

bd_40db67e5a70cbd0c · schema v1 · pii pii-v1

Severity

High

Discovered

—

Filed

Apr 24, 2010

To disclose

—

Affected

5,450

Confidence

97%

Full breach record for John Muir Physician Network →2 incidents on file

John Muir Physician Network (CA) reported to HHS on 2010-04-24 a Theft affecting 5,450 individuals. Two laptop computers containing ePHI — including patient names, dates of birth, and Social Security numbers — were stolen from the covered entity. Following an OCR investigation, the CE installed encryption software and increased physical security. Breached information located on Laptop.

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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

Apr 24, 2010

Filed

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

Tracked as a single-filing incident — the only disclosure on record for this event so far.Confirmed5,450 affectedView incident

Name: John Muir Physician Network
norm: john muir physician network
Industry: Health Care Services

Name: John Muir Physician Network
norm: john muir physician network
Industry: Health Care Services
Industry: Healthcaresource default

Discovered: Not extracted — the OCR public portal omits it
Materiality determined: —
Notification sent: —
Affected individuals: 5,450nationwide
Data types: Health (basic)Identity (basic)Government ID
HHS breach type: Theft
Where the data lived: Laptop
Covered-entity type: Healthcare provider
Attack vector: Unauthorized Access
MITRE ATT&CK: T1052 Exfiltration Over Physical Medium
Threat actor: External
Regulator citations: HHS OCR investigation conducted; CE directed to install encryption software and increase physical security

During the incident: Breach notification sent to all affected individuals
Notification submitted to HHS
Notification provided to media
Changes made: Installed encryption software on laptops
Increased physical security measures
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.

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: Apr 24, 2010
Raw hash: 52e3a9baef605350fc4ad27c6a4a922e9c2c6091bd8cfd2c3c063144e285ded2

AI-assisted summary above. The structured extract on this page was generated from the document below. Inspect the source to verify or correct any field.

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Reporting entityJohn Muir Physician Network

Victim entityJohn Muir Physician Network

IncidentUnauthorized Access

Stated responseBreach notification sent to all affected individuals

ComplianceHHS notified

Extraction provenanceno artifact recorded

Source provenanceocrportal.hhs.gov

Source filing