CALIFORNIAHackingHealthcareHealthcarePHIHealth (basic)Government IDIdentity (basic)HighContained

Blue Shield of California

bd_c718edc5a7150c54 · schema v1 · pii pii-v1

Severity

High

Discovered

—

Filed

Nov 17, 2023

To disclose

—

Affected

27,832

Confidence

69%

Full breach record for Blue Shield of California →

Blue Shield of California OR Blue Shield of California Promise Health Plan reported to HHS on 2023-11-17 a Hacking/IT Incident affecting 27,832 individuals. Breached information located on Network Server. The covered entity's business associate experienced a cyber-attack compromising PHI including names, SSNs, diagnoses, addresses, birthdates, and claims. The CE provided complimentary 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 filing yet · watching

Compliance clocks stay unassessable until a regulatory filing lands. Dashed segments fill in automatically when corroboration arrives.

Tracked as a single-filing incident — the only disclosure on record for this event so far.Confirmed27,832 affectedView incident

Name: Blue Shield of California
norm: blue shield of california
Industry: Health Care Services

Name: Blue Shield of California
norm: blue shield of california
Industry: Healthcaresource default

Discovered: Not extracted — the OCR public portal omits it
Materiality determined: —
Notification sent: —
Affected individuals: 27,832nationwide
Data types: PHIHealth (basic)Government IDIdentity (basic)
HHS breach type: Hacking / IT incident
Where the data lived: Network server
Covered-entity type: Business associate
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing Application
Threat actor: External
Regulator citations: reported to HHS
Third party: via Blue Shield of California OR Blue Shield of California Promise Health Planbusiness associate

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.

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: b9e26ae54a514ad6e0b7ed7fb1721ea3a956a8cc236db3406bb1a57ed2f533d4

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 entityBlue Shield of California

Victim entityBlue Shield of California

IncidentUnauthorized Access

Stated responseProvided complimentary credit monitoring services

ComplianceHHS notified

Extraction provenanceno artifact recorded

Source provenanceocrportal.hhs.gov

Source filing