CALIFORNIAHackingHealthcareHealthcareBusiness Associate (HIPAA)Customer Data InvolvedData ExfiltratedPHIHealth (basic)Identity (basic)Government IDCriticalContained

CALIFORNIA PHYSICIANS' SERVICE

bd_4f096d3a71532eca · schema v1 · pii pii-v1

Severity

Critical

Discovered

—

Filed

Nov 17, 2023

To disclose

—

Affected

636,849

Linked

3 filings

Confidence

68%

Full breach record for CALIFORNIA PHYSICIANS' SERVICE →26 incidents on file

California Physicians’ Service d/b/a Blue Shield of California reported to HHS on 2023-11-17 a Hacking/IT Incident affecting 636,849 individuals. Breached information located on Network Server. A business associate experienced a cyber-attack compromising PHI including names, SSNs, diagnoses, addresses, birthdates, and claims. The CE provided credit monitoring and implemented additional safeguards.

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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 17, 2023

Filed

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

This filing is one of 3 filings about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (2) · sorted by filing gap

California State AGbd_6beb8ba0bda9123f2023-11-17Verified
New Hampshire State AGbd_57de58eb876f18d72023-11-22 · +5dVerified

Name: CALIFORNIA PHYSICIANS' SERVICE
norm: california physicians service
Domain: blueshieldca.com
Industry: Insurance — Health

Name: CALIFORNIA PHYSICIANS' SERVICE
norm: california physicians service
Domain: blueshieldca.com
Also named: California Physicians’ Servicedba oflegal entity
Blue Shield of Californiadba oftrade name
Industry: Healthcaresource default

Discovered: Not extracted — the OCR public portal omits it
Materiality determined: —
Notification sent: —
Affected individuals: 636,849nationwide
Data types: PHIHealth (basic)Identity (basic)Government ID
HHS breach type: Hacking / IT incident
Where the data lived: Network server
Covered-entity type: Health planBusiness associate involved
Attack vector: Unauthorized Access
MITRE ATT&CK: T1041 Exfiltration Over C2 ChannelT1119 Automated Collection
Threat actor: External
Regulator citations: reported to HHS OCR

During the incident: Provided complimentary credit monitoring services
Implemented additional administrative, technical, and security safeguards
Changes made: Implemented additional administrative, technical, and security safeguards
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 · 3 filings · 2 states

View merged incident ↗

California State AGNov 17 · first

HHS OCRNov 17 · first · this page

New Hampshire State AG+5d

Pattern: first filing Nov 17 (CA), last Nov 22 (NH) — a 5-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: Nov 17, 2023
Raw hash: 35a6aad9deaa8fc1a90da7f7123d42619edcbabc733088d76a37cef73e58760a

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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Linked disclosures

Regulatory filings (2) · sorted by filing gap

Reporting entityCALIFORNIA PHYSICIANS' SERVICE

Victim entityCALIFORNIA PHYSICIANS' SERVICE

IncidentUnauthorized Access

Stated responseProvided complimentary credit monitoring services

ComplianceHHS notified

Extraction provenanceno artifact recorded

Source provenanceocrportal.hhs.gov

Source filing