Social EngineeringFinancial ServicesFinancePhishingStolen CredentialsCustomer Data InvolvedPIIIdentity (basic)LowContained

Rental Equipment Investment Corporation

bd_a20a7b410170f942 · schema v1 · pii pii-v1

Severity

Low

Discovered

Apr 16, 2021

Filed

Aug 26, 2021

To disclose

19 weeks

Affected

76state residents only

Confidence

67%

Full breach record for Rental Equipment Investment Corporation →

Rental Equipment Investment Corporation (REIC) notified Montana residents of a data security incident discovered on April 16, 2021, involving unauthorized access to an employee email account. The incident likely resulted from phishing leading to credential compromise. Affected data included personal information. REIC engaged forensic investigators, notified the FBI, and offered 12 months of credit monitoring via Kroll.

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Incident timeline

discovery → filing · 19 weeks / 132 days

Apr 16, 2021

Discovered

Aug 26, 2021

Filed

vs. sector median

+10 wks slower

Tracked as a single-filing incident — the only disclosure on record for this event so far.Confirmed76 affectedView incident

Name: Rental Equipment Investment Corporation
norm: rental equipment investment

Name: Rental Equipment Investment Corporation
norm: rental equipment investment
Industry: Financial Servicesllm

Discovered: Apr 16, 2021
Materiality determined: —
Notification sent: —
Affected individuals: 76state-resident count only
Data types: PIIIdentity (basic)
Attack vector: Phishing
MITRE ATT&CK: T1566.002 Spearphishing LinkT1078 Valid AccountsT1114 Email Collection
Threat actor: ExternalFinancial
Regulator citations: Notified the Federal Bureau of Investigation
Initial access: phishing_link

During the incident: Engaged a leading cybersecurity firm to assist with the investigation
Notified the Federal Bureau of Investigation
Offering complimentary identity monitoring services for twelve (12) months at no cost to you through Kroll
Changes made: Implemented additional security features for our email system
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 19 weeks(132 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/notificationLetter-83.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Aug 26, 2021
Raw hash: 996057b10e38e45f489e187a13d4927d7fa0eba5c1d4d3b736eba578cc69b23b

Reporting entityRental Equipment Investment Corporation

Victim entityRental Equipment Investment Corporation

Incidentdiscovered Apr 16, 2021

Stated responseEngaged a leading cybersecurity firm to assist with the investigation

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov