Social EngineeringFinancial ServicesFinancePhishingData ExfiltratedPIIIdentity (basic)LowContained

Christensen Group Insurance

bd_fef4bd84a0d7d340 · schema v1 · pii pii-v1

Severity

Low

Discovered

Jan 24, 2023

Filed

Feb 24, 2023

To disclose

4 weeks

Affected

2state residents only

Confidence

66%

Full breach record for Christensen Group Insurance →

Christensen Group Insurance notified Montana residents of a security incident where an unauthorized individual accessed an employee email account via a spam campaign. Access occurred Oct 10-17, 2022; discovered Jan 24, 2023. Personal info in emails was potentially viewed but not downloaded. No evidence of misuse. Offered 1-year Experian IdentityWorks.

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Incident timeline

undetected · 106 days

discovery → filing · 4 weeks / 31 days

Oct 10, 2022

Begins

Jan 24, 2023

Discovered

Feb 24, 2023

Filed

vs. sector median

5 wks faster

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

Name: Christensen Group Insurance
norm: christensen group insurance

Name: Christensen Group Insurance
norm: christensen group insurance
Industry: Financial Servicesllm

Discovered: Jan 24, 2023
Breach occurred: Oct 10, 2022 – Oct 17, 2022
Undetected for: 106 daysoccurrence → discovery
Materiality determined: —
Notification sent: —
Affected individuals: 2state-resident count only
Data types: PIIIdentity (basic)
Attack vector: Phishing
MITRE ATT&CK: T1566.002 Spearphishing LinkT1114 Email Collection
Threat actor: External
Initial access: phishing_link

During the incident: Engaged third party cybersecurity experts to investigate the scope and extent of the incident
Conducted an extensive forensic investigation and manual document review
Offering a complimentary one-year membership of Experian IdentityWorks Credit 3B
Changes made: Taken many precautions to safeguard it and to prevent subsequent occurrences
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 4 weeks(31 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

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/OCP/Consumer-Notification-96.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Feb 24, 2023
Raw hash: 1817f75fa18a0d015eec6c58617813081f41c7eaca40297eceb9a9608f61d985

Reporting entityChristensen Group Insurance

Victim entityChristensen Group Insurance

Incidentdiscovered Jan 24, 2023

Stated responseEngaged third party cybersecurity experts to investigate the scope and extent of the incident

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov