HackingManufacturingManufacturingRansomwareData ExfiltratedData EncryptedCustomer Data InvolvedPIIIdentity (basic)LowContained

Jacobsen Construction

bd_33264793c8e227d5 · schema v1 · pii pii-v1

Severity

Low

Discovered

Nov 21, 2023

Filed

Jun 14, 2024

To disclose

29 weeks

Affected

1state residents only

Linked

7 records

Confidence

65%

Full breach record for Jacobsen Construction →

Jacobsen Construction Co., Inc. notified the NH Attorney General of a network intrusion occurring between Sept 21 and Nov 26, 2023. The attacker attempted to encrypt files and accessed personal information of 1 NH resident. Jacobsen engaged forensic investigators, notified law enforcement, and offered credit monitoring.

J jump to incidentP pin to compareR raw source

Leak gap clock✗ Leak >180d29 weeks discovery → filing

Incident timeline

undetected · 61 days

discovery → filing · 29 weeks / 206 days

Sep 21, 2023

Begins

Nov 21, 2023

Discovered

Apr 29, 2024

Scope determined

Jun 14, 2024

Filed

This filing is one of 7 records about the same incident.View merged incident

A leak claim by inc_ransom about this victim was first seen 260 days before this filing.View originating leak claim

Linked disclosures

Why this link?

Ransomware claims (1)

Leak Siteinc_ransombd_8f3c36e79f759a3f2023-09-28 · +260dVerified by operator

Regulatory filings (5) · sorted by filing gap

Maine State AGbd_0ccd3c36931cc9f52024-06-14Candidate
Montana State AGbd_1aa7c32a34c2f5662024-06-14Verified by operator
Massachusetts State AGbd_27d9b9096367d5ff2024-06-14Verified by operator
Indiana State AGbd_8b10e59b4e563d642024-06-14Verified

Show 1 more filing ↓up to 98d gap

HHS OCRbd_1f00a6633fd539ca2024-09-20 · +98dVerified by operator

Name: Jacobsen Construction
norm: jacobsen construction
Domain: jacobsenconstruction.com

Name: Jacobsen Construction
norm: jacobsen construction
Domain: jacobsenconstruction.com
Industry: Manufacturingllm

Discovered: Nov 21, 2023
Breach occurred: Sep 21, 2023 – Nov 26, 2023
Undetected for: 61 daysoccurrence → discovery
Materiality determined: Apr 29, 2024
Notification sent: Jun 14, 2024
Affected individuals: 1state-resident count only
Data types: PIIIdentity (basic)
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing ApplicationT1486 Data Encrypted for Impact
Threat actor: External
Regulator citations: Notified federal law enforcement
Initial access: exploit_public_facing

During the incident: Activated its incident response plan
Taking steps to prevent further unauthorized access to its environment
Notified federal law enforcement
Engaged a leading forensic security firm cybersecurity to investigation and confirm the security of its computer network
Providing them with complimentary credit monitoring services
Changes made: Enhancing its technical security measures
Working closely with cybersecurity professionals to identify and implement additional controls to improve our security posture on an ongoing basis
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 29 weeks(206 days from discovery to filing)
Compliance flags: Leak >180d
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 · 6 filings · 6 states

View merged incident ↗

Maine State AGJun 14 · first

Montana State AGJun 14 · first

Massachusetts State AGJun 14 · first

Indiana State AGJun 14 · first

New Hampshire State AGJun 14 · first · this page

HHS OCR+98d

Pattern: first filing Jun 14 (ME), last Sep 20 (UT) — a 98-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?

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://mm.nh.gov/files/uploads/doj/remote-docs/jacobson-construction-20240614.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Jun 14, 2024
Raw hash: 2cd40e8ae55844ad4650177ddf08613f81c70ec5a8516a193736e6c72d7eeb81

Linked disclosures

Ransomware claims (1)

Regulatory filings (5) · sorted by filing gap

Reporting entityJacobsen Construction

Victim entityJacobsen Construction

Incidentdiscovered Nov 21, 2023

Stated responseActivated its incident response plan

ComplianceLeak >180d

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov