HackingProfessional ServicesProfessional ServicesTargetedData ExfiltratedIdentity (basic)Government IDMediumContained

Chong Nishimoto Sia Nakamura & Goya, LLLP

bd_6beac918145f4327 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Aug 9, 2024

Filed

Dec 5, 2024

To disclose

17 weeks

Affected · nationwide

1322 in this filing

Linked

2 filings

Confidence

66%

Full breach record for Chong Nishimoto Sia Nakamura & Goya, LLLP →

Chong Nishimoto Sia Nakamura & Goya, LLLP (CNSNG) reported an external system breach on August 9, 2024, affecting 132 individuals. An unknown actor gained access to systems containing names and Social Security numbers. CNSNG notified federal law enforcement, offered 12 months of Experian credit monitoring, and implemented additional employee safeguards. Written notice was sent to affected individuals on December 5, 2024.

J jump to incidentP pin to compareR raw source

Maine clockDiscovered Aug 9, 2024 → Filed with AG Dec 5, 2024118d ✗ ME AG >90d17 weeks discovery → filing

⚠ occurrence dateThe stored discovery date equals the breach OCCURRENCE date. Detection is normally later, so this OVERSTATES the delay — a 'late' verdict here may not be real.

Incident timeline

discovery → filing · 17 weeks / 118 days

Aug 9, 2024

Begins

Aug 9, 2024

Discovered

Dec 5, 2024

Filed

vs. sector median

1 wks faster

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

Montana State AGbd_f3b9e3abf2cf12ea2024-12-05Candidate

Name: Chong Nishimoto Sia Nakamura & Goya, LLLP
norm: chong nishimoto sia nakamura goya lllp

Name: Chong Nishimoto Sia Nakamura & Goya, LLLP
norm: chong nishimoto sia nakamura goya lllp
Industry: Professional Servicesllm

Discovered: Aug 9, 2024
Breach occurred: Aug 9, 2024
Undetected for: 0 daysoccurrence → discovery
Materiality determined: —
Notification sent: Dec 5, 2024
Affected individuals: 132state + nationwide
Data types: Identity (basic)Government ID
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing ApplicationT1078 Valid Accounts
Threat actor: External
Regulator citations: Provided written notice to relevant state regulatorsNotified the three major credit reporting agencies, Equifax, Experian, and TransUnion
Initial access: exploit_public_facing

During the incident: Launched an investigation and worked with subject matter specialists
Notified federal law enforcement
Offered 12 months of complimentary credit monitoring and identity theft restoration services through Experian
Changes made: Implementing additional safeguards and training to its employees
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 17 weeks(118 days from discovery to filing)
Compliance flags: ME AG >90d · 118d
Discovery-date grounding: occurrence dateThe stored discovery date equals the breach OCCURRENCE date. Detection is normally later, so this OVERSTATES the delay — a 'late' verdict here may not be real.
Clock breakdown: Statute Window Elapsed Threshold Status
Maine
Discovered: Aug 9, 2024
→ Filed with AG: Dec 5, 2024
118d 90 days ME AG >90d

Statute	Window	Elapsed	Threshold	Status
Maine	Discovered: Aug 9, 2024 → Filed with AG: Dec 5, 2024	118d	90 days	ME AG >90d

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 2 filings · 2 states

View merged incident ↗

Montana State AGDec 5 · first

Maine State AGDec 5 · 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://www.maine.gov/agviewer/content/ag/985235c7-cb95-4be2-8792-a1252b4f8318/bdf39ee2-d3a0-4894-aafb-259194f46ebb.html
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Dec 5, 2024
Raw hash: f1b21cfe80acdd1fcd6328c8a15cb7b18016f2cd0991832a278039eac590eb06

Linked disclosures

Regulatory filings (1) · sorted by filing gap

Reporting entityChong Nishimoto Sia Nakamura & Goya, LLLP

Victim entityChong Nishimoto Sia Nakamura & Goya, LLLP

Incidentdiscovered Aug 9, 2024

Stated responseLaunched an investigation and worked with subject matter specialists

ComplianceME AG >90d

Extraction provenanceno artifact recorded

Source provenancewww.maine.gov