HackingFinancial ServicesFinanceStolen CredentialsData ExfiltratedCustomer Data InvolvedIdentity (basic)Government IDFinancial accountMediumContained

California Casualty Indemnity Exchange

bd_0da1adcca3d32f58 · schema v1 · pii pii-v2

Severity

Medium

Discovered

Nov 5, 2025

Filed

Nov 19, 2025

To disclose

—

Affected

5state residents only

Linked

6 filings

Confidence

66%

Full breach record for California Casualty Indemnity Exchange →

California Casualty Indemnity Exchange reported unauthorized access to its IT network between September 2 and 8, 2025. The attacker copied files containing personal information for 5 Nebraska residents, including names, SSNs, driver's license numbers, dates of birth, and financial account numbers. The company discovered the incident on November 5, 2025, and began notifying affected individuals on November 19, 2025. Response actions included isolating systems, engaging a third-party cybersecurity firm, notifying law enforcement, and offering 24 months of free credit monitoring.

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Incident timeline

undetected · 64 days

Sep 2, 2025

Begins

Nov 5, 2025

Discovered

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
Maine State AGbd_0fe6ca15868572712025-11-19Candidate
California State AGbd_733c4b46f0e5b0b92025-11-19Verified
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: Nov 5, 2025
Breach occurred: Sep 2, 2025 – Sep 8, 2025
Undetected for: 64 daysoccurrence → discovery
Materiality determined: —
Notification sent: Nov 19, 2025
Affected individuals: 5state-resident count only
Data types: Identity (basic)Government IDFinancial account
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing ApplicationT1041 Exfiltration Over C2 Channel
Threat actor: ExternalFinancial
Regulator citations: reported the incident to law enforcement
Initial access: exploit_public_facing

During the incident: Initiated incident response protocols, which included isolating certain systems
Opened an investigation with assistance from a third-party cybersecurity firm
Reported the incident to law enforcement
Began mailing notification letters to the Nebraska residents via United States First Class mail
Provided access to credit monitoring services for twenty-four months at no cost to the Nebraska residents
Established a dedicated, toll-free call center for individuals to call with questions
Changes made: Implemented, and will continue to adopt, additional safeguards and technical security measures to further protect and monitor its 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

Maine State AGNov 19 · first

California State AGNov 19 · first

Oregon State AGNov 19 · first

Massachusetts State AGNov 19 · first

Nebraska 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://nebraska.gov/ago/data-breach/documents/48cfef9a-7031-4a0a-a4f9-634f3de1c108.pdf
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: 7f7e632ac076456a475d63aec53670a99f78c2f65e6024b7d243308fc55faea5

Linked disclosures

Regulatory filings (5) · sorted by filing gap

Reporting entityCalifornia Casualty Indemnity Exchange

Victim entityCalifornia Casualty Indemnity Exchange

Incidentdiscovered Nov 5, 2025

Stated responseInitiated incident response protocols, which included isolating certain systems

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancenebraska.gov