HackingProfessional ServicesProfessional ServicesData ExfiltratedCustomer Data InvolvedGovernment IDIdentity (basic)MediumContained

Fong Ko & Associates

bd_cc63128c9311ccd0 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Jun 4, 2025

Filed

Jun 1, 2026

To disclose

52 weeks

Affected

1state residents only

Linked

4 filings

Confidence

66%

Fong Ko & Associates notified the New Hampshire Attorney General of a data event affecting one NH resident. Suspicious network activity occurred between June 2-4, 2025, potentially exposing names and SSNs/TINs. The company engaged forensic specialists, notified federal law enforcement, and provided 12 months of credit monitoring via Experian.

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Incident timeline

undetected · 2 days

discovery → filing · 52 weeks / 362 days

Jun 2, 2025

Begins

Jun 4, 2025

Discovered

Jun 1, 2026

Filed

vs. sector median

+33 wks slower

This filing is one of 4 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (3) · sorted by filing gap

California State AGbd_020816aae7a5040b2026-06-01Verified
Massachusetts State AGbd_925a12a43b17a6002026-06-01Candidate
Indiana State AGbd_b701bb6a124ce3db2026-06-01Verified

Name: Mullen Coughlin LLC
norm: mullen coughlin

Name: Fong Ko & Associates
norm: fong ko
Industry: Professional Servicesllm

Discovered: Jun 4, 2025
Breach occurred: Jun 2, 2025 – Jun 4, 2025
Undetected for: 2 daysoccurrence → discovery
Materiality determined: —
Notification sent: Jun 1, 2026
Affected individuals: 1state-resident count only
Data types: Government IDIdentity (basic)
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid Accounts
Threat actor: External
Regulator citations: Notified New Hampshire Attorney General Consumer Protection & Antitrust Bureau
Initial access: valid_credentials

During the incident: Launched an investigation, with the assistance of third-party computer forensic specialists
Notified federal law enforcement regarding the event
Providing access to credit monitoring services for 12 months, through Experian
Working to implement additional safeguards and training to its employees
Changes made: Working to implement additional safeguards and training to its employees
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 52 weeks(362 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 4 filings · 4 states

View merged incident ↗

California State AGJun 1 · first

Massachusetts State AGJun 1 · first

Indiana State AGJun 1 · first

New Hampshire State AGJun 1 · 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/fong-ko-associates-20260601.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Jun 1, 2026
Raw hash: 4615aa82aa50232bf35c8a1656da9e3ba614a96957c26db55bd428dae7402cba

Linked disclosures

Regulatory filings (3) · sorted by filing gap

Reporting entityMullen Coughlin LLC

Victim entityFong Ko & Associates

Incidentdiscovered Jun 4, 2025

Stated responseLaunched an investigation, with the assistance of third-party computer forensic specialists

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov