Social EngineeringFinancial ServicesFinancePhishingStolen CredentialsTargetedPIIIdentity (basic)LowContained

Hidden Valley Insurance, Inc.

bd_558ab3ed454e0486 · schema v1 · pii pii-v1

Severity

Low

Discovered

Jul 29, 2021

Filed

Apr 4, 2022

To disclose

36 weeks

Affected

2state residents only

Confidence

66%

Full breach record for Hidden Valley Insurance, Inc. →2 incidents on file

Hidden Valley Insurance, Inc. notified Montana residents of a data security incident involving unauthorized access to an employee email account on or about July 29, 2021. The investigation concluded on February 25, 2022, revealing that personal information (names) of policyholders may have been accessed. The company engaged cybersecurity experts, secured the email system, and offered 12 months of complimentary identity monitoring through Kroll.

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Incident timeline

discovery → filing · 36 weeks / 249 days

Jul 29, 2021

Begins

Jul 29, 2021

Discovered

Apr 4, 2022

Filed

vs. sector median

+27 wks slower

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

Name: Hidden Valley Insurance, Inc.
norm: hidden valley insurance

Name: Hidden Valley Insurance, Inc.
norm: hidden valley insurance
Industry: Financial Servicesllm

Discovered: Jul 29, 2021
Breach occurred: Jul 29, 2021
Undetected for: 0 daysoccurrence → discovery
Materiality determined: —
Notification sent: Mar 14, 2022
Affected individuals: 2state-resident count only
Data types: PIIIdentity (basic)
Attack vector: Phishing
MITRE ATT&CK: T1566.002 Spearphishing LinkT1078 Valid AccountsT1114 Email Collection
Threat actor: ExternalFinancial
Initial access: phishing_link

During the incident: Engaged independent cybersecurity experts to conduct an investigation
Took steps to secure our email system
Offering 12 months of identity monitoring services through Kroll at no cost
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 36 weeks(249 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-Letter-292.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Apr 4, 2022
Raw hash: c4ac2bb0ede37c664129177b4fa67f04364362016e70f79ad0b586d27e2c6548

Reporting entityHidden Valley Insurance, Inc.

Victim entityHidden Valley Insurance, Inc.

Incidentdiscovered Jul 29, 2021

Stated responseEngaged independent cybersecurity experts to conduct an investigation

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov