HackingProfessional ServicesProfessional ServicesStolen CredentialsData ExfiltratedCustomer Data InvolvedGovernment IDIdentity (basic)MediumContained

Jenkins Fenstermaker, PLLC

bd_fb4aa3dfca7db0c4 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Sep 26, 2025

Filed

Dec 19, 2025

To disclose

12 weeks

Affected

3state residents only

Linked

3 filings

Confidence

66%

Full breach record for Jenkins Fenstermaker, PLLC →

Jenkins Fenstermaker, PLLC notified the New Hampshire Attorney General of unauthorized access to its network between April 5-9, 2025. The firm discovered the breach on September 26, 2025, identifying files containing names and Social Security numbers of three NH residents. Notifications were mailed on December 19, 2025, offering one year of credit monitoring.

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Incident timeline

undetected · 174 days

discovery → filing · 12 weeks / 84 days

Apr 5, 2025

Begins

Sep 26, 2025

Discovered

Dec 19, 2025

Filed

vs. sector median

7 wks faster

This filing is one of 3 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (2) · sorted by filing gap

Indiana State AGbd_a90b42d20765a0022025-12-19Verified
Maine State AGbd_fd17709ec719a0252025-12-19Candidate

Name: Jenkins Fenstermaker, PLLC
norm: jenkins fenstermaker

Name: Jenkins Fenstermaker, PLLC
norm: jenkins fenstermaker
Industry: Professional Servicesllm

Discovered: Sep 26, 2025
Breach occurred: Apr 5, 2025 – Apr 9, 2025
Undetected for: 174 daysoccurrence → discovery
Materiality determined: —
Notification sent: Dec 19, 2025
Affected individuals: 3state-resident count only
Data types: Government IDIdentity (basic)
Data elements: Social Security number
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid Accounts
Threat actor: External
Initial access: valid_credentials

During the incident: Took measures to secure its network
Commenced an investigation
Began mailing notification letters via U.S. First-Class mail
Established a toll-free call center
Offering one-year of complimentary credit monitoring and identity theft protection services
Changes made: Taken steps to enhance its existing security protocols
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 12 weeks(84 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 3 filings · 3 states

View merged incident ↗

Indiana State AGDec 19 · first

Maine State AGDec 19 · first

New Hampshire State AGDec 19 · 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/jenkins-fenstermaker-20251219.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Dec 19, 2025
Raw hash: e80830119c27206b1244c4555f4d18c7392243a91032283c3a96771803d67014

Linked disclosures

Regulatory filings (2) · sorted by filing gap

Reporting entityJenkins Fenstermaker, PLLC

Victim entityJenkins Fenstermaker, PLLC

Incidentdiscovered Sep 26, 2025

Stated responseTook measures to secure its network

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov