HackingProfessional ServicesProfessional ServicesStolen CredentialsData ExfiltratedIdentity (basic)Government IDMediumContained

Sherin and Lodgen LLP

bd_9d5ece3ffcc22765 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Jun 6, 2021

Filed

Aug 13, 2021

To disclose

10 weeks

Affected

5state residents only

Linked

4 filings

Confidence

65%

Full breach record for Sherin and Lodgen LLP →2 incidents on file

Sherin and Lodgen LLP notified the New Hampshire AG of a data event affecting 5 residents. Unauthorized access occurred June 2-6, 2021, involving name, address, and SSN. The firm engaged forensic investigators, reset passwords, and offered 12 months of credit monitoring.

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Incident timeline

undetected · 4 days

discovery → filing · 10 weeks / 68 days

Jun 2, 2021

Begins

Jun 6, 2021

Discovered

Aug 13, 2021

Filed

vs. sector median

10 wks faster

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

Linked disclosures

Why this link?

Regulatory filings (3) · sorted by filing gap

Maine State AGbd_0b7c4b8603afb1832021-08-06 · +7dCandidate
Maine State AGbd_b36971e05b270d172022-01-07 · +147dVerified
New Hampshire State AGbd_b81fe54330b773602022-01-18 · +158dVerified

Name: Mullen Coughlin LLC
norm: mullen coughlin

Name: Sherin and Lodgen LLP
norm: sherin and lodgen
Industry: Professional Servicesllm

Discovered: Jun 6, 2021
Breach occurred: Jun 2, 2021 – Jun 6, 2021
Undetected for: 4 daysoccurrence → discovery
Materiality determined: —
Notification sent: Aug 6, 2021
Affected individuals: 5state-resident count only
Data types: Identity (basic)Government ID
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid Accounts
Threat actor: External
Regulator citations: Notified Office of the New Hampshire Attorney General
Initial access: valid_credentials

During the incident: Engaged third-party incident response specialists, including network security specialists and forensic investigation firm
Conducted a detailed programmatic and manual review of the identified files
Reviewed and enhanced the existing security measures relating to the involved network
Isolated and terminated suspicious activity identified on the potentially affected systems
Conducted a thorough forensic analysis of these systems
Confirmed that patching and updating was current within the involved network
Reset all passwords
Confirmed that multi-factor authentication was appropriately implemented
Notified the Federal Bureau of Investigation
Changes made: Providing access to credit monitoring services for 12 months through Equifax
Providing impacted individuals with guidance on how to better protect against identity theft and fraud
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 10 weeks(68 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 · 2 states

View merged incident ↗

Maine State AGAug 6 · first

New Hampshire State AG+7d · this page

Maine State AG+154d

New Hampshire State AG+165d

Pattern: first filing Aug 6 (ME), last Jan 18 (NH) — a 165-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/sherin-lodgen-20210813.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Aug 13, 2021
Raw hash: b46cf37d232fc0c9a1a97919fd520f980a21e9f5ea9abb39c8bc484f637fbffb

Linked disclosures

Regulatory filings (3) · sorted by filing gap

Reporting entityMullen Coughlin LLC

Victim entitySherin and Lodgen LLP

Incidentdiscovered Jun 6, 2021

Stated responseEngaged third-party incident response specialists, including network security specialists and forensic investigation firm

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov