MalwareOtherRansomwareData ExfiltratedData EncryptedGovernment IDFinancial accountHealth (basic)PIIMediumContained

HMT LLC

bd_ebd93e04ff4785b8 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Feb 28, 2021

Filed

Jun 22, 2021

To disclose

16 weeks

Affected

2state residents only

Linked

2 filings

Confidence

65%

Full breach record for HMT LLC →

HMT LLC notified employees of a ransomware incident on Feb 28, 2021, where systems were encrypted and files exfiltrated. Data potentially included SSNs, financial accounts, and medical info. A cybersecurity firm was engaged, and affected individuals were offered one year of Experian IdentityWorks.

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Incident timeline

discovery → filing · 16 weeks / 114 days

Feb 28, 2021

Begins

Feb 28, 2021

Discovered

Jun 22, 2021

Filed

vs. sector median

+8 wks slower

This filing is one of 2 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (1) · sorted by filing gap

Indiana State AGbd_4ee572fc5d5ea8832021-06-22Verified

Name: HMT LLC
norm: hmt

Name: HMT LLC
norm: hmt
Industry: Otherllm

Discovered: Feb 28, 2021
Breach occurred: Feb 28, 2021
Undetected for: 0 daysoccurrence → discovery
Materiality determined: —
Notification sent: —
Affected individuals: 2state-resident count only
Data types: Government IDFinancial accountHealth (basic)PII
Data elements: Medical information
Attack vector: Ransomware
MITRE ATT&CK: T1486 Data Encrypted for ImpactT1041 Exfiltration Over C2 Channel
Threat actor: ExternalFinancial

During the incident: Took steps to secure our systems
Began an investigation
A cybersecurity firm was engaged to assist
Offering you a complimentary one-year subscription for Experian’s® IdentityWorksSM
Changes made: Implementing several changes to enhance our existing security measures
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 16 weeks(114 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 2 filings · 2 states

View merged incident ↗

Indiana State AGJun 22 · first

Montana State AGJun 22 · 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/OCP/a-notif-16.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Jun 22, 2021
Raw hash: 06b4533e0e48e62a578a7013930c7364297315c8225318caebbbaf76d349623c

Linked disclosures

Regulatory filings (1) · sorted by filing gap

Reporting entityHMT LLC

Victim entityHMT LLC

Incidentdiscovered Feb 28, 2021

Stated responseTook steps to secure our systems

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov