HackingProfessional ServicesProfessional ServicesStolen CredentialsCustomer Data InvolvedEmployee Data InvolvedIdentity (basic)Government IDPIIMediumContained

RM Mechanical, Inc.

bd_8693160a6e0f05a8 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Mar 4, 2018

Filed

May 23, 2018

To disclose

11 weeks

Affected

8state residents only

Confidence

66%

Full breach record for RM Mechanical, Inc. →

RM Mechanical, Inc. notified Montana residents of a March 4, 2018 data breach where unauthorized access to its network exposed W-2s, SSNs, and driver's license numbers. The company engaged forensic investigators, reported to the FBI and IRS, and offered 12 months of credit monitoring via Kroll.

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Incident timeline

discovery → filing · 11 weeks / 80 days

Mar 4, 2018

Discovered

May 23, 2018

Filed

vs. sector median

6 wks faster

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

Name: RM Mechanical, Inc.
norm: rm mechanical

Name: RM Mechanical, Inc.
norm: rm mechanical
Industry: Professional Servicesllm

Discovered: Mar 4, 2018
Materiality determined: —
Notification sent: May 18, 2018
Affected individuals: 8state-resident count only
Data types: Identity (basic)Government IDPII
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid Accounts
Threat actor: ExternalFinancial
Regulator citations: Notified the Federal Bureau of Investigation (FBI)Notified the Internal Revenue Service / Criminal Investigation Unit (IRS/CI)
Initial access: valid_credentials

During the incident: Took immediate steps to secure the network
Contacted appropriate law enforcement agencies
Launched an investigation
Retained a leading forensics firm
Reported the incident to the Federal Bureau of Investigation (FBI)
Cooperating with the FBI
Reported the matter to the Internal Revenue Service / Criminal Investigation Unit (IRS/CI)
Offering credit identity monitoring services at no cost through Kroll
Changes made: Enhanced the security of RM Mechanical’s network and all personal information
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 11 weeks(80 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/RM-Mechanical.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: May 23, 2018
Raw hash: 71187d16d2024ee347f67d2dc5e438c6bff540d5be1c924f0098c31f8777307b

Reporting entityRM Mechanical, Inc.

Victim entityRM Mechanical, Inc.

Incidentdiscovered Mar 4, 2018

Stated responseTook immediate steps to secure the network

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov