HackingFinancial ServicesFinanceStolen CredentialsData ExfiltratedTargetedPIIIdentity (basic)LowContained

Lawyers’ Mutual Insurance Company of California

bd_1ed89e32cee04259 · schema v1 · pii pii-v1

Severity

Low

Discovered

Oct 9, 2025

Filed

Nov 14, 2025

To disclose

5 weeks

Affected

2state residents only

Confidence

66%

Full breach record for Lawyers’ Mutual Insurance Company of California →2 incidents on file

Lawyers' Mutual Insurance Company of California notified Montana regulators of a cyber attack where personal information (names) was taken from its network on May 20, 2025. The company learned of the incident on October 9, 2025, engaged forensic investigators, reported to federal law enforcement, and is offering credit monitoring. Notices were sent on November 14, 2025.

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Leak gap clock⏱ Leak >90d5 weeks discovery → filing

Incident timeline

undetected · 142 days

discovery → filing · 5 weeks / 36 days

May 20, 2025

Begins

Oct 9, 2025

Discovered

Nov 14, 2025

Filed

vs. sector median

3 wks faster

Tracked as a single-filing incident — the only disclosure on record for this event so far.Confirmed2 affectedView incident

A leak claim by qilin about this victim predates this filing by 161 days.View originating leak claim

Name: Lawyers’ Mutual Insurance Company of California
norm: lawyers mutual insurance company of california

Name: Lawyers’ Mutual Insurance Company of California
norm: lawyers mutual insurance company of california
Industry: Financial Servicesllm

Discovered: Oct 9, 2025
Breach occurred: May 20, 2025
Undetected for: 142 daysoccurrence → discovery
Materiality determined: —
Notification sent: Nov 14, 2025
Affected individuals: 2state-resident count only
Data types: PIIIdentity (basic)
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid AccountsT1041 Exfiltration Over C2 Channel
Threat actor: ExternalFinancial
Regulator citations: reported the event to federal law enforcement
Initial access: valid_credentials

During the incident: Worked with third-party forensic investigators to identify the nature and scope of the event
Worked with specialists to review the files that may have been taken from our network
Reported the event to federal law enforcement
Offering you immediate access to credit monitoring and identity theft protection services for 12/24 months at no cost to you, through IDX
Changes made: Continue to review our existing policies and procedures and implement additional administrative and technical safeguards to further secure the information on our systems
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 5 weeks(36 days from discovery to filing)
Compliance flags: Leak >90d
Discovery-date grounding: letter-groundedThe discovery date is the detection date narrated in the notification letter — the defensible tier.

Status: No extraction artifact recorded for this disclosure.

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://dojmt.gov/wp-content/uploads/2025/11/Consumer-notification-letter-39.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Nov 14, 2025
Raw hash: 261ce9b63cabfbf8652ddf7cb1cf65c779ed725e26c39358e42f7fedb32c1a8c

Reporting entityLawyers’ Mutual Insurance Company of California

Victim entityLawyers’ Mutual Insurance Company of California

Incidentdiscovered Oct 9, 2025

Stated responseWorked with third-party forensic investigators to identify the nature and scope of the event

ComplianceLeak >90d

Extraction provenanceno artifact recorded

Source provenancedojmt.gov