HackingFinancial ServicesFinanceStolen CredentialsSupply Chain (3P Vendor)Customer Data InvolvedIdentity (basic)LowContained

Workers' Compensation Insurance Rating Bureau of California

bd_1c5afd8ba3a6c148 · schema v1 · pii pii-v1

Severity

Low

Discovered

Jul 9, 2025

Filed

Dec 10, 2025

To disclose

22 weeks

Affected

Not disclosed

Linked

9 filings

Confidence

66%

Full breach record for Workers' Compensation Insurance Rating Bureau of California →

Workers' Compensation Insurance Rating Bureau of California (WCIRB) notified individuals that an unauthorized third party accessed their Box.com system on or about July 9, 2025. The incident involved the acquisition of personal information, including names. WCIRB engaged forensic specialists and is offering identity theft protection services. The breach was contained, and no evidence of misuse was found.

J jump to incidentP pin to compareR raw source

California clockDiscovered Jul 9, 2025 → Notified Dec 10, 2025154d ✗ CA 60-day late22 weeks discovery → filing

Incident timeline

discovery → filing · 22 weeks / 154 days

Jul 9, 2025

Discovered

Dec 10, 2025

Filed

vs. sector median

+14 wks slower

This filing is one of 9 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (8) · sorted by filing gap

Indiana State AGbd_137c95f7177196c32025-10-27 · +44dVerified
Massachusetts State AGbd_35b6d39f25bdf4942025-10-27 · +44dVerified
Maine State AGbd_499f1565cccef01a2025-10-27 · +44dCandidate
Vermont State AGbd_c89bebb7fc860ae62025-10-27 · +44dVerified

Show 4 more filings ↓up to 73d gap

New Hampshire State AGbd_cec940e56ca4e1c42025-10-27 · +44dVerified
Nebraska State AGbd_f902bf746cb1d0c62025-10-27 · +44dVerified
California State AGbd_5f2e5ff2174ab56b2025-10-13 · +58dVerified
California State AGbd_aa3c86a48d1f43682026-02-21 · +73dVerified

Name: Workers' Compensation Insurance Rating Bureau of California
norm: workers compensation insurance rating bureau of california

Name: Workers' Compensation Insurance Rating Bureau of California
norm: workers compensation insurance rating bureau of california
Industry: Financial Servicesllm

Discovered: Jul 9, 2025
Materiality determined: —
Notification sent: Dec 10, 2025
Affected individuals: Not disclosed
Data types: Identity (basic)
Attack vector: Third-Party / Supply Chain
MITRE ATT&CK: T1078 Valid Accounts
Threat actor: External
Third party: via Box.com
Initial access: supply_chain

During the incident: Engaged third-party forensic specialists to confirm the security of our Box.com environment and investigate the extent of any unauthorized activity
Offering identity theft protection services through IDX
Changes made: Taken steps to bolster our security
Reviewing and altering our policies and procedures
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 22 weeks(154 days from discovery to filing)
Compliance flags: CA 60-day late · 154d
Discovery-date grounding: letter-groundedThe discovery date is the detection date narrated in the notification letter — the defensible tier.
Clock breakdown: Statute Window Elapsed Threshold Status
California
Discovered: Jul 9, 2025
→ Notified: Dec 10, 2025
154d 60 days (analyst band, pre-2026 discoveries) CA 60-day late

Statute	Window	Elapsed	Threshold	Status
California	Discovered: Jul 9, 2025 → Notified: Dec 10, 2025	154d	60 days (analyst band, pre-2026 discoveries)	CA 60-day late

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 9 filings · 7 states

View merged incident ↗

California State AGOct 13 · first

Indiana State AG+14d

Massachusetts State AG+14d

Maine State AG+14d

Vermont State AG+14d

New Hampshire State AG+14d

Nebraska State AG+14d

California State AG+58d · this page

California State AG+131d

Pattern: first filing Oct 13 (CA), last Feb 21 (CA) — a 131-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://oag.ca.gov/ecrime/databreach/reports/sb24-615576
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Dec 10, 2025
Raw hash: 3877a70e754f8a51896cce4ba6955d14d727f53563cdf840b1939c013ada419e

Linked disclosures

Regulatory filings (8) · sorted by filing gap

Reporting entityWorkers' Compensation Insurance Rating Bureau of California

Victim entityWorkers' Compensation Insurance Rating Bureau of California

Incidentdiscovered Jul 9, 2025

Stated responseEngaged third-party forensic specialists to confirm the security of our Box.com environment and investigate the extent of any unauthorized activity

ComplianceCA 60-day late

Extraction provenanceno artifact recorded

Source provenanceoag.ca.gov