Social EngineeringProfessional ServicesProfessional ServicesPhishingStolen CredentialsData ExfiltratedCustomer Data InvolvedPIIIdentity (basic)Government IDMediumContained

East Central Idaho Development Company

bd_f823d69f52c75966 · schema v1 · pii pii-v1

Severity

Medium

Discovered

—

Filed

Mar 9, 2021

To disclose

—

Affected

6state residents only

Confidence

66%

Full breach record for East Central Idaho Development Company →

East Central Idaho Development Company notified Montana residents of a security incident where an unauthorized individual accessed an employee email account between July 6 and July 23, 2020. The investigation concluded March 2, 2021, revealing personal information was compromised. The company engaged outside cybersecurity professionals and offered one year of credit monitoring via TransUnion.

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Incident timeline

Jul 6, 2020

Begins

Mar 9, 2021

Filed

Tracked as a single-filing incident — the only disclosure on record for this event so far.Confirmed6 affectedView incident

Name: East Central Idaho Development Company
norm: east central idaho development

Name: East Central Idaho Development Company
norm: east central idaho development
Industry: Professional Servicesllm

Discovered: —
Breach occurred: Jul 6, 2020 – Jul 23, 2020
Materiality determined: —
Notification sent: —
Affected individuals: 6state-resident count only
Data types: PIIIdentity (basic)Government ID
Attack vector: Phishing
MITRE ATT&CK: T1566.002 Spearphishing LinkT1078 Valid AccountsT1114 Email Collection
Threat actor: ExternalFinancial
Initial access: phishing_link

During the incident: Launched an investigation in consultation with outside cybersecurity professionals
Offering a one-year membership in myTrueIdentity provided by TransUnion Interactive
Changes made: Continually evaluate and modify practices and internal controls to enhance the security and privacy of your information
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.

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/eastSamp.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Mar 9, 2021
Raw hash: b7b2cc604e496873eb9346ac7ce7865a078f165bf48a1adaf919c890267511d0

Reporting entityEast Central Idaho Development Company

Victim entityEast Central Idaho Development Company

IncidentPhishing

Stated responseLaunched an investigation in consultation with outside cybersecurity professionals

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov