DisclosureLens
UnknownHealthcareFinancial ServicesHealthcareCustomer Data InvolvedPHIPIIIdentity (basic)Government IDFinancial accountHealth (basic)Medium

Blue Shield of California

bd_ab027e0cb553e22a · schema v1 · pii pii-v1

Severity

Medium

Discovered

—

Filed

Jul 21, 2025

To disclose

—

Affected

Not disclosed

Linked

2 filings

Confidence

56%

Blue Shield of California reported a data security breach to the California Attorney General. The incident occurred between March 25, 2025, and May 22, 2025. The filing includes a sample member notification letter but the provided text extraction of the letter is redacted/empty, preventing extraction of specific data types, affected counts, or response actions. The organization is a healthcare insurer.

Incident timeline

Mar 25, 2025

Begins

Jul 21, 2025

Filed

This filing is one of 2 filings about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (1) · sorted by filing gap

Filing propagation · 2 filings

View merged incident ↗
HHS OCRJul 21 · first
California State AGJul 21 · first · this page

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.