Latest / California / December 2025
Workers Compensation Insurance Rating Bureau of California
Workers Compensation Insurance Rating Bureau of California notified California AG on Dec 10, 2025 of a data breach, which occurred on Oct 7, 2025. Data exposed: Postal address, Name.
All 3 filings by Workers Compensation Insurance Rating Bureau of California, state by state · Case file (dates, days to notice against the statute, what the letter offers, prior incidents)
- Organization
- Workers Compensation Insurance Rating Bureau of California
- Source
- California AG · source record
- Date reported
- Dec 10, 2025
- Date(s) of breach
- Tuesday, October 7, 2025
- Residents affected
- Not published by this source
- Data exposed
- Postal address Name
- Notice letter
- Sample notice (PDF)
- Discovered
- Jul 9, 2025, as stated in the letter"What Happened: On or about July 9, 2025, we detected a network security incident, in which an unauthorized entity accessed one of our third-party systems, Box.com."
- Days to notice
- 154 days from discovery (Jul 9, 2025) to the California record (Dec 10, 2025). Statute: 30 days from discovery or notification of the breach (Cal. Civ. Code § 1798.82). Over the statutory period
- Offered in the letter
- credit or identity monitoring through Experian
- Third party
- The letter attributes the incident to a vendor or service provider
- First seen by BreachTally
- 2026-10-30 15:28 UTC
Dates and counts as filed by the organization with the agency. The breach window and the report date often differ by months.
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Other filings by Workers Compensation Insurance Rating Bureau of California
| Organization | State | Reported | Residents affected |
|---|---|---|---|
| Workers Compensation Insurance Rating Bureau of California | CA | Feb 21, 2026 | Not published |
| Workers Compensation Insurance Rating Bureau of California | CA | Oct 13, 2025 | Not published |
Data reproduced from a public government filing. Spot an error? Email support@breachtally.com with the record link. Corrections are applied and noted.