HackingProfessional ServicesProfessional ServicesStolen CredentialsEmail MisuseData ExfiltratedCustomer Data InvolvedDelayed DiscoveryIdentity (basic)Government IDFinancial accountMediumActive

Brian D. Gouguen, P.C.

bd_8c9624fefd58e2fb · schema v1 · pii pii-v1

Severity

Medium

Discovered

Apr 4, 2022

Filed

May 23, 2022

To disclose

7 weeks

Affected · nationwide

19639 in this filing

Linked

5 filings

Confidence

66%

Full breach record for Brian D. Gouguen, P.C. →

Supplemental notice for Brian D. Goguen, P.C. regarding unauthorized access to systems on April 4, 2022. Initial notice covered 157 NH residents; supplemental notice adds 39 NH residents (196 total). Data included names, SSNs, and financial account info. Actor used valid credentials to file tax documents. Investigation ongoing.

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Incident timeline

discovery → filing · 7 weeks / 49 days

Apr 4, 2022

Discovered

May 23, 2022

Filed

vs. sector median

11 wks faster

This filing is one of 5 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (4) · sorted by filing gap

New Hampshire State AGbd_7d177391bffcda1f2022-05-02 · +21dVerified
Maine State AGbd_1a2a8d9d46b226e02022-04-29 · +24dCandidate
Montana State AGbd_621d34aa7d6b6f7f2022-04-29 · +24dVerified
Massachusetts State AGbd_c283d84677e267712022-04-29 · +24dVerified

Name: Mullen Coughlin LLC
norm: mullen coughlin

Name: Brian D. Gouguen, P.C.
norm: brian d gouguen
Industry: Professional Servicesllm

Discovered: Apr 4, 2022
Materiality determined: —
Notification sent: Apr 29, 2022
Affected individuals: 196state + nationwide
Data types: Identity (basic)Government IDFinancial account
Data elements: Social Security number
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid AccountsT1114 Email Collection
Threat actor: ExternalFinancial
Regulator citations: Notified New Hampshire Attorney General Consumer Protection Bureau on April 29, 2022Supplemental notice provided to New Hampshire Attorney General on May 18, 2022
Initial access: valid_credentials

During the incident: Launched an investigation, with the assistance of leading third-party computer forensic specialists
Conducted a review of relevant systems to determine the information that may have been impacted
Working to implement additional safeguards and training to its employees
Providing access to credit monitoring and identity monitoring services for one (1) year, through Experian, to individuals whose personal information was potentially affected by this incident, at no cost to these individuals
Providing impacted individuals with guidance on how to better protect against identity theft and fraud
Changes made: Working to implement additional safeguards and training to its employees
Reviewing our policies, procedures, and processes related to the storage of and access to personal information
Additional workforce training is being conducted to reduce the likelihood of a similar future event
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 7 weeks(49 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 5 filings · 4 states

View merged incident ↗

Maine State AGApr 29 · first

Montana State AGApr 29 · first

Massachusetts State AGApr 29 · first

New Hampshire State AG+3d

New Hampshire State AG+24d · this page

Pattern: first filing Apr 29 (ME), last May 23 (NH) — a 24-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/brian-d-goguen-20220523.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: May 23, 2022
Raw hash: b1a87932419e9422d98381a1f200ba70c163563b4f722b39aefe67158e87ad2b

Linked disclosures

Regulatory filings (4) · sorted by filing gap

Reporting entityMullen Coughlin LLC

Victim entityBrian D. Gouguen, P.C.

Incidentdiscovered Apr 4, 2022

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

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov