HackingFinancial ServicesFinanceStolen CredentialsData ExfiltratedCustomer Data InvolvedPIIIdentity (basic)LowContained

California Casualty Indemnity Exchange

bd_733c4b46f0e5b0b9 · schema v1 · pii pii-v1

Severity

Low

Discovered

—

Filed

Nov 19, 2025

To disclose

—

Affected

Not disclosed

Linked

6 filings

Confidence

66%

Full breach record for California Casualty Indemnity Exchange →

California Casualty Indemnity Exchange reported an unauthorized access incident where an external actor accessed its IT network between September 2 and September 8, 2025, and copied files containing customer information. The company isolated systems, engaged a third-party cybersecurity firm, and notified law enforcement. On November 5, 2025, it determined that customer data was involved and began notifying affected individuals, offering two years of complimentary Experian IdentityWorks identity protection services. The company has implemented additional safeguards to prevent recurrence.

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Incident timeline

Sep 2, 2025

Begins

Nov 19, 2025

Filed

This filing is one of 6 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (5) · sorted by filing gap

Indiana State AGbd_0b58f414de4f11ef2025-11-19Verified
Nebraska State AGbd_0da1adcca3d32f582025-11-19Verified
Maine State AGbd_0fe6ca15868572712025-11-19Candidate
Oregon State AGbd_a74d5b54acf414472025-11-19Verified

Show 1 more filing ↓

Massachusetts State AGbd_e5eb73db8f65bc762025-11-19Verified

Name: California Casualty Indemnity Exchange
norm: california casualty indemnity exchange

Name: California Casualty Indemnity Exchange
norm: california casualty indemnity exchange
Industry: Financial Servicesllm

Discovered: —
Breach occurred: Sep 2, 2025 – Sep 8, 2025
Materiality determined: —
Notification sent: Nov 5, 2025
Affected individuals: Not disclosed
Data types: PIIIdentity (basic)
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid AccountsT1041 Exfiltration Over C2 Channel
Threat actor: External
Regulator citations: Reported the incident to law enforcement

During the incident: Isolated certain systems
Opened an investigation with assistance from a third-party cybersecurity firm
Reported the incident to law enforcement
Offering you a complimentary two-year membership to Experian IdentityWorks
Changes made: Implemented, and will continue to adopt, additional safeguards and technical security measures to further protect and monitor our systems
Source: Quoted from the filing itself, not independently verified.

Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 6 filings · 6 states

View merged incident ↗

Indiana State AGNov 19 · first

Nebraska State AGNov 19 · first

Maine State AGNov 19 · first

Oregon State AGNov 19 · first

Massachusetts State AGNov 19 · first

California State AGNov 19 · 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.

Source URL: https://oag.ca.gov/ecrime/databreach/reports/sb24-614461
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Nov 19, 2025
Raw hash: 86b02a80b75356337579097fb968d94c2bdad376c01f3eba4e4ebc01ae0826a8

Linked disclosures

Regulatory filings (5) · sorted by filing gap

Reporting entityCalifornia Casualty Indemnity Exchange

Victim entityCalifornia Casualty Indemnity Exchange

IncidentUnauthorized Access

Stated responseIsolated certain systems

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenanceoag.ca.gov