HackingOtherCustomer Data InvolvedIdentity (basic)Government IDMediumContained

Refrigeration-Heating, Inc

bd_0e038e7b217e2d61 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Aug 4, 2025

Filed

Oct 20, 2025

To disclose

11 weeks

Affected

8state residents only

Confidence

65%

Full breach record for Refrigeration-Heating, Inc →

Refrigeration-Heating, Inc. dba RHI Supply notified Montana residents of a data security incident. Unauthorized access occurred on July 28, 2025, discovered on August 4, 2025. Affected data included names, SSNs, DOBs, and driver's license numbers. The company engaged cybersecurity experts, enhanced network security, and offered 12 months of credit monitoring via TransUnion.

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Incident timeline

undetected · 7 days

discovery → filing · 11 weeks / 77 days

Jul 28, 2025

Begins

Aug 4, 2025

Discovered

Oct 20, 2025

Filed

vs. sector median

+3 wks slower

Tracked as a single-filing incident — the only disclosure on record for this event so far.Confirmed8 affectedView incident

Name: Refrigeration-Heating, Inc
norm: refrigeration heating

Name: Refrigeration-Heating, Inc
norm: refrigeration heating
Also named: Refrigeration-Heating, Inc.dba oflegal entity
RHI Supplydba oftrade name
Industry: Otherllm

Discovered: Aug 4, 2025
Breach occurred: Jul 28, 2025
Undetected for: 7 daysoccurrence → discovery
Materiality determined: —
Notification sent: Oct 20, 2025
Affected individuals: 8state-resident count only
Data types: Identity (basic)Government ID
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid Accounts
Threat actor: External

During the incident: Engaged cybersecurity experts to assist with the investigation
Engaged a third-party vendor to conduct a comprehensive review of the potentially affected data
Implemented measures to enhance network security
Providing access to Single Bureau Credit Monitoring/Single Bureau Credit Report/Single Bureau Credit Score services at no charge
Providing proactive fraud assistance through Cyberscout, a TransUnion company
Changes made: Implemented measures to enhance network security and minimize the risk of a similar incident occurring in the future
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 11 weeks(77 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/2025/10/Consumer-notification-letter-28.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Oct 20, 2025
Raw hash: 4084f0fcc4ea2665c736d50512423345346192b799fa86de200ff5a81f9585ff

Reporting entityRefrigeration-Heating, Inc

Victim entityRefrigeration-Heating, Inc

Incidentdiscovered Aug 4, 2025

Stated responseEngaged cybersecurity experts to assist with the investigation

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov