HackingTechnologyFinancial ServicesInformationVulnerability ExploitZero-DaySupply Chain (3P Vendor)Data ExfiltratedCustomer Data InvolvedIdentity (basic)Government IDCVE-2023-34362MediumContained

TRANE TECHNOLOGIES COMPANY LLC

bd_a7042ebcd6adfa1b · schema v1 · pii pii-v1

Severity

Medium

Discovered

May 31, 2023

Filed

Aug 18, 2023

To disclose

11 weeks

Affected

1state residents only

Confidence

65%

Full breach record for TRANE TECHNOLOGIES COMPANY LLC →2 incidents on file

On or around May 29-30, 2023, an unauthorized third party exploited a zero-day vulnerability (CVE-2023-34362) in Progress Software's MOVEit Transfer software, accessed by third-party vendor Pension Benefit Information, LLC (PBI). PBI stored data for client Trane Technologies. The actor downloaded personal information, including names, addresses, dates of birth, and Social Security numbers, of one Idaho resident. Trane Technologies and Milliman notified the Idaho Attorney General on August 18, 2023, and offered 24 months of credit monitoring.

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Incident timeline

undetected · 2 days

discovery → filing · 11 weeks / 79 days

May 29, 2023

Begins

May 31, 2023

Discovered

Aug 18, 2023

Filed

vs. sector median

2 wks faster

Tracked as a single-filing incident — the only disclosure on record for this event so far.Confirmed1 affectedView incident

Name: MILLIMAN, INC.
norm: milliman
Domain: us.milliman.com

Name: TRANE TECHNOLOGIES COMPANY LLC
norm: trane technologies
Domain: tranetechnologies.com
Industry: TechnologyllmFinancial Servicesllm

Discovered: May 31, 2023
Breach occurred: May 29, 2023 – May 30, 2023
Undetected for: 2 daysoccurrence → discovery
Materiality determined: —
Notification sent: Aug 18, 2023
Affected individuals: 1state-resident count only
Data types: Identity (basic)Government ID
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing ApplicationT1041 Exfiltration Over C2 Channel
Threat actor: ExternalFinancial
Regulator citations: Submitted notice to Idaho Attorney General’s Office Consumer Protection Division
Initial access: exploit_public_facing
CVE references: CVE-2023-34362

During the incident: Patched the vulnerability in its MOVEit Transfer software
Reviewed and enhanced its information security policies and procedures
Stopped transferring data to PBI pending further evaluation of PBI’s information security practices
Evaluated potential vendor management and security enhancements
Conducted a manual review of its data to confirm the identities of individuals potentially affected
Provided written notification to affected individuals
Offered twenty-four (24) months of cost-free credit monitoring
Changes made: Reviewed and enhanced information security policies and procedures
Evaluating potential vendor management and security enhancements
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 11 weeks(79 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://www.ag.idaho.gov/content/uploads/2023/08/8-18-2023-Trane-Technologies.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Aug 18, 2023
Raw hash: 37c1d9e5c437457208e44cf60c5bda7eaec82786cf81741f01c115aad81f12bd

Reporting entityMILLIMAN, INC.

Victim entityTRANE TECHNOLOGIES COMPANY LLC

Incidentdiscovered May 31, 2023

Stated responsePatched the vulnerability in its MOVEit Transfer software

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancewww.ag.idaho.gov