HackingConstructionConstructionData ExfiltratedEmployee Data InvolvedPIIIdentity (basic)EmploymentLowContained

JF Ahern Co

bd_071bc9c777c5f19b · schema v1 · pii pii-v1

Severity

Low

Discovered

Apr 2, 2025

Filed

May 12, 2025

To disclose

6 weeks

Affected

3state residents only

Linked

2 filings

Confidence

66%

Full breach record for JF Ahern Co →

J. F. Ahern Co. notified the NH Attorney General of a security incident where an unauthorized third party accessed and copied files from its network on April 2, 2025. The incident affected three New Hampshire residents. The company engaged forensic consultants, contained the incident, and offered credit monitoring services to affected individuals.

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Incident timeline

discovery → filing · 6 weeks / 40 days

Apr 2, 2025

Begins

Apr 2, 2025

Discovered

May 12, 2025

Filed

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_83cc0c2d28c7ec792025-05-12Candidate

Name: JF Ahern Co
norm: jf ahern

Name: JF Ahern Co
norm: jf ahern
Industry: Constructionllm

Discovered: Apr 2, 2025
Breach occurred: Apr 2, 2025
Undetected for: 0 daysoccurrence → discovery
Materiality determined: —
Notification sent: May 12, 2025
Affected individuals: 3state-resident count only
Data types: PIIIdentity (basic)Employment
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid AccountsT1041 Exfiltration Over C2 Channel
Threat actor: External
Regulator citations: Notified the New Hampshire Attorney General's Office

During the incident: Took immediate steps to contain, eradicate, and investigate the incident
Engaged external forensic consultants to assist with the investigation
Conducted a detailed review of the impacted files to determine whether personal information may have been accessible
Issued a preliminary notice about the incident on April 15, 2024
Offered company-provided credit monitoring to all current employees
Notified all affected New Hampshire residents via regular mail on May 12, 2025
Provided residents with credit monitoring at no charge
Established a dedicated toll-free support line to answer questions
Changes made: Implemented additional security measures to help further enhance the privacy and security of information stored on our systems
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 6 weeks(40 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 AGMay 12 · first

New Hampshire State AGMay 12 · 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://mm.nh.gov/files/uploads/doj/remote-docs/j-f-ahern-20250512.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: May 12, 2025
Raw hash: 1cb539d7cafad38ac660a26ce20c90038cd225b2e5d34e43f7273c23eae12c8f

Linked disclosures

Regulatory filings (1) · sorted by filing gap

Reporting entityJF Ahern Co

Victim entityJF Ahern Co

Incidentdiscovered Apr 2, 2025

Stated responseTook immediate steps to contain, eradicate, and investigate the incident

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov