HackingManufacturingManufacturingData ExfiltratedTargetedIdentity (basic)Government IDHealth (basic)Financial accountMediumContained

Boart Longyear Limited

bd_a4ba11c4132bb2d0 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Aug 31, 2024

Filed

Oct 23, 2024

To disclose

8 weeks

Affected

8state residents only

Linked

2 filings

Confidence

66%

Full breach record for Boart Longyear Limited →2 incidents on file

Boart Longyear Group, Ltd. notified Montana residents of a cybersecurity incident where an unauthorized actor accessed files containing personal information between June 29 and August 31, 2024. Data involved included names, SSNs, driver's licenses, medical info, and financial accounts. Boart Longyear engaged a cybersecurity firm, secured its network, and offered two years of credit monitoring via Experian.

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Incident timeline

undetected · 63 days

discovery → filing · 8 weeks / 53 days

Jun 29, 2024

Begins

Aug 31, 2024

Discovered

Oct 23, 2024

Filed

vs. sector median

3 wks faster

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_ff57247fdc2c41822024-10-23Verified

Name: Boart Longyear Limited
norm: boart longyear-au

Name: Boart Longyear Limited
norm: boart longyear-au
Industry: Manufacturingllm

Discovered: Aug 31, 2024
Breach occurred: Jun 29, 2024 – Aug 31, 2024
Undetected for: 63 daysoccurrence → discovery
Materiality determined: —
Notification sent: —
Affected individuals: 8state-resident count only
Data types: Identity (basic)Government IDHealth (basic)Financial account
Data elements: Social Security numberMedical information
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid AccountsT1119 Automated Collection
Threat actor: External
Initial access: valid_credentials

During the incident: Took steps to secure our network
Commenced an investigation
Engaged a cybersecurity firm to assist
Implemented additional security measures to enhance our existing cybersecurity protocols
Offering you a complimentary two-year subscription to credit and/or identity monitoring services through Experian’s® IdentityWorks Credit 3B
Changes made: Implemented additional security measures to enhance our existing cybersecurity protocols
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 8 weeks(53 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 AGOct 23 · first

Montana State AGOct 23 · 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/Consumer-notification-letter-1786.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Oct 23, 2024
Raw hash: 5dbf2d01857651179065bd8d2e2a76d1e14655403c5f34f3353db17cfe353258

Linked disclosures

Regulatory filings (1) · sorted by filing gap

Reporting entityBoart Longyear Limited

Victim entityBoart Longyear Limited

Incidentdiscovered Aug 31, 2024

Stated responseTook steps to secure our network

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov