Social EngineeringManufacturingManufacturingPhishingTargetedPIIIdentity (basic)LowContained

Bristol Industries LLC

bd_d2b7fbfae7f4fde3 · schema v1 · pii pii-v1

Severity

Low

Discovered

Dec 16, 2019

Filed

Dec 31, 2019

To disclose

15 days

Affected

3state residents only

Confidence

66%

Full breach record for Bristol Industries LLC →

Bristol Industries LLC notified Montana residents of a phishing incident affecting employee email accounts. Unauthorized access occurred between March 23 and September 26, 2019. The company engaged a cybersecurity firm, secured accounts, and offered one year of Experian IdentityWorks credit monitoring to affected individuals.

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Incident timeline

undetected · 268 days

discovery → filing · 15 days

Mar 23, 2019

Begins

Dec 16, 2019

Discovered

Dec 31, 2019

Filed

Tracked as a single-filing incident — the only disclosure on record for this event so far.Confirmed3 affectedView incident

Name: Bristol Industries LLC
norm: bristol industries

Name: Bristol Industries LLC
norm: bristol industries
Industry: Manufacturingllm

Discovered: Dec 16, 2019
Breach occurred: Mar 23, 2019 – Sep 26, 2019
Undetected for: 268 daysoccurrence → discovery
Materiality determined: —
Notification sent: —
Affected individuals: 3state-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: Took steps to secure the email accounts
Began an investigation with the assistance of a cybersecurity firm
Conducted a comprehensive search for and review of the emails and attachments
Offering you a complimentary one-year membership in Experian’s® IdentityWorksSM Credit 3B
Changes made: Implemented additional safeguards and technical security measures
Implementing multifactor authentication on employee email accounts
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 15 days(15 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/Breach-NotificationDetails-93.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Dec 31, 2019
Raw hash: a552cc28b461ee800c91f3346fa41127d96629e97d3922323c9770b1ab390cb4

Reporting entityBristol Industries LLC

Victim entityBristol Industries LLC

Incidentdiscovered Dec 16, 2019

Stated responseTook steps to secure the email accounts

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov