MalwareRetail & ConsumerRetailRansomwareCapture Stored DataData ExfiltratedData EncryptedCustomer Data InvolvedDelayed DiscoveryIdentity (basic)Government IDFinancial accountHealth (basic)PHIMediumContained

The Hiller Companies LLC

bd_3cb094e2e1459a38 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Jun 13, 2025

Filed

Aug 25, 2025

To disclose

10 weeks

Affected

12state residents only

Linked

5 filings

Confidence

66%

Full breach record for The Hiller Companies LLC →

The Hiller Companies LLC notified Montana residents of a data security incident discovered on June 13, 2025. Malicious actors encrypted files and exfiltrated data on or about December 18, 2024. Affected data included names, SSNs, driver's licenses, financial account info, and health/insurance information. The company engaged cybersecurity experts and offered 12 months of credit monitoring.

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Incident timeline

undetected · 177 days

discovery → filing · 10 weeks / 73 days

Dec 18, 2024

Begins

Jun 13, 2025

Discovered

Aug 25, 2025

Filed

vs. sector median

+3 wks slower

This filing is one of 5 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (4) · sorted by filing gap

Nebraska State AGbd_3fa4fee56fb2c6fa2025-08-25Verified
Vermont State AGbd_6f11cc5801ccd1dc2025-08-25Verified
New Hampshire State AGbd_bdba02a450a666e32025-08-25Verified
California State AGbd_f0fe773a8636f9b32025-08-25Verified

Name: The Hiller Companies LLC
norm: the hiller companies

Name: The Hiller Companies LLC
norm: the hiller companies
Industry: Retail & Consumerllm

Discovered: Jun 13, 2025
Breach occurred: Dec 18, 2024
Undetected for: 177 daysoccurrence → discovery
Materiality determined: —
Notification sent: Aug 25, 2025
Affected individuals: 12state-resident count only
Data types: Identity (basic)Government IDFinancial accountHealth (basic)PHI
Data elements: Social Security numberMedical information
Attack vector: Ransomware
MITRE ATT&CK: T1486 Data Encrypted for ImpactT1041 Exfiltration Over C2 Channel
Threat actor: ExternalFinancial

During the incident: Engaged a team of leading cybersecurity experts to investigate the matter
Conducted a comprehensive review of the affected data
Implemented measures to enhance the security of our computer environment
Offering complimentary identity protection services (Single Bureau Credit Monitoring/Single Bureau Credit Report/Single Bureau Credit Score services) for twelve (12) months
Providing proactive fraud assistance through Cyberscout
Changes made: Implemented measures to enhance the security of our computer environment
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 10 weeks(73 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 5 filings · 5 states

View merged incident ↗

Nebraska State AGAug 25 · first

Vermont State AGAug 25 · first

New Hampshire State AGAug 25 · first

California State AGAug 25 · first

Montana State AGAug 25 · first · this page

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/2025/09/Consumer-notification-letter-4.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Aug 25, 2025
Raw hash: a21c4b4d8e55880dbeeeb0cfda92272945fc714150b4e5be161736a33f287fa1

Linked disclosures

Regulatory filings (4) · sorted by filing gap

Reporting entityThe Hiller Companies LLC

Victim entityThe Hiller Companies LLC

Incidentdiscovered Jun 13, 2025

Stated responseEngaged a team of leading cybersecurity experts to investigate the matter

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov