HackingManufacturingIdentity (basic)Government IDHealth (basic)Financial accountMediumContained

Boart Longyear Limited

bd_dab2cdba014b3490 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Aug 31, 2024

Filed

Mar 7, 2025

To disclose

27 weeks

Affected

Not disclosed

Linked

5 filings

Confidence

66%

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

Boart Longyear Group, Ltd. notified Maryland residents of a cybersecurity incident where an unauthorized actor accessed files containing personal information between June 29, 2024, and August 31, 2024. Affected data included names, government IDs (SSN, driver's license, passport), medical info, and financial account numbers. Boart engaged a cybersecurity firm, secured the network, and offered two years of credit monitoring via Experian.

J jump to incidentP pin to compareR raw source

Maryland clock✗ MD AG >90d27 weeks discovery → filing

Incident timeline

undetected · 63 days

discovery → filing · 27 weeks / 188 days

Jun 29, 2024

Begins

Aug 31, 2024

Discovered

Mar 7, 2025

Filed

This filing is one of 5 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (4) · sorted by filing gap

Maine State AGbd_1dfce352b8e470dc2025-03-07Candidate
New Hampshire State AGbd_1e4efe29bb39f3862025-03-07Verified
Massachusetts State AGbd_61e703a1bca591d52025-03-07Verified
Vermont State AGbd_a8db7dc04c0a3d122025-03-06 · +1dVerified

Name: Boart Longyear Limited
norm: boart longyear-au

Name: Boart Longyear Limited
norm: boart longyear-au

Discovered: Aug 31, 2024
Breach occurred: Jun 29, 2024 – Aug 31, 2024
Undetected for: 63 daysoccurrence → discovery
Materiality determined: —
Notification sent: —
Affected individuals: Not disclosed
Data types: Identity (basic)Government IDHealth (basic)Financial account
Data elements: Social Security numberMedical information
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing Application
Threat actor: External
Initial access: exploit_public_facing

During the incident: Took steps to secure our network
Commenced an investigation
A cybersecurity firm was engaged to assist
Implemented additional security measures to enhance already 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 already existing cybersecurity protocols
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 27 weeks(188 days from discovery to filing)
Compliance flags: MD AG >90d
Discovery-date grounding: letter-groundedThe discovery date is the detection date narrated in the notification letter — the defensible tier.

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 5 filings · 5 states

View merged incident ↗

Vermont State AGMar 6 · first

Maine State AG+1d

New Hampshire State AG+1d

Massachusetts State AG+1d

Maryland State AG+1d · 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://oag.maryland.gov/resources-info/SBN%20Documents/2025/ITU-376517.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Mar 7, 2025
Raw hash: c946f6fc0bc5e9b731ec2a67fd1fb2b9749f80eb105834fbf006c26ec162685e

Linked disclosures

Regulatory filings (4) · sorted by filing gap

Reporting entityBoart Longyear Limited

Victim entityBoart Longyear Limited

Incidentdiscovered Aug 31, 2024

Stated responseTook steps to secure our network

ComplianceMD AG >90d

Extraction provenanceno artifact recorded

Source provenanceoag.maryland.gov