MalwareProfessional ServicesProfessional ServicesRansomwareData ExfiltratedData EncryptedCustomer Data InvolvedEmployee Data InvolvedTargetedIdentity (basic)Government IDFinancial accountHighContained

Devine, Millimet & Branch, P.A

bd_5f74f79fcbbe19db · schema v1 · pii pii-v1

Severity

High

Discovered

Aug 24, 2020

Filed

Jan 4, 2021

To disclose

19 weeks

Affected

12,846state residents only

Linked

5 filings

Confidence

66%

Full breach record for Devine, Millimet & Branch, P.A →3 incidents on file

Devine, Millimet & Branch, P.A. notified the NH AG of a ransomware incident discovered August 24, 2020. Attackers encrypted servers and allegedly exfiltrated client/employee data (names, SSNs, DOB, account numbers) from Aug 13, 2020. 12,846 NH residents notified. FBI contacted. Forensic consultants and security contractors engaged. 24 months credit monitoring offered.

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Incident timeline

undetected · 11 days

discovery → filing · 19 weeks / 133 days

Aug 13, 2020

Begins

Aug 24, 2020

Discovered

Jan 4, 2021

Filed

vs. sector median

on median

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

Maine State AGbd_2af13a7d81f0ffa12020-12-18 · +17dCandidate
Montana State AGbd_526cf311fcff673b2020-12-18 · +17dVerified
Massachusetts State AGbd_ae982838afbc391f2020-12-18 · +17dVerified
Indiana State AGbd_c0cab53e8bd718fd2020-12-18 · +17dVerified

Name: Mullen Coughlin LLC
norm: mullen coughlin

Name: Devine, Millimet & Branch, P.A
norm: devine millimet branch
Industry: professional_services
Industry: Professional Servicesllm

Discovered: Aug 24, 2020
Breach occurred: Aug 13, 2020
Undetected for: 11 daysoccurrence → discovery
Materiality determined: —
Notification sent: Dec 18, 2020
Affected individuals: 12,846state-resident count only
Data types: Identity (basic)Government IDFinancial account
Data elements: Social Security numberDate of birth
Attack vector: Ransomware
MITRE ATT&CK: T1486 Data Encrypted for ImpactT1041 Exfiltration Over C2 Channel
Threat actor: ExternalFinancial
Regulator citations: Notified the Office of the New Hampshire Attorney General
Initial access: exploit_public_facing

During the incident: Retained a third party forensic consultant to investigate the attack
Reported the attack to the Federal Bureau of Investigation Cyber Crimes Unit
Installed additional security software to enhance threat protection
Took steps to prevent the distribution of any data that may have been removed
Provided written notice to all affected individuals
Provided access to credit monitoring services for twenty-four (24) months
Changes made: Working to implement additional safeguards and training to its employees
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 19 weeks(133 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 · 5 states

View merged incident ↗

Maine State AGDec 18 · first

Montana State AGDec 18 · first

Massachusetts State AGDec 18 · first

Indiana State AGDec 18 · first

New Hampshire State AG+17d · this page

Pattern: first filing Dec 18 (ME), last Jan 4 (NH) — a 17-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/devin-millimet-branch-20210104.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Jan 4, 2021
Raw hash: 356acbdfc1fd0ad605e2a96480e00555798ee8aeb606d8d8d1660c77b657d65a

Linked disclosures

Regulatory filings (4) · sorted by filing gap

Reporting entityMullen Coughlin LLC

Victim entityDevine, Millimet & Branch, P.A

Incidentdiscovered Aug 24, 2020

Stated responseRetained a third party forensic consultant to investigate the attack

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov