HackingProfessional ServicesProfessional ServicesCustomer Data InvolvedIdentity (basic)LowContained

McLaughlin & Stern LLP

bd_4248a16a41f158e7 · schema v1 · pii pii-v1

Severity

Low

Discovered

Apr 7, 2025

Filed

Jul 3, 2025

To disclose

12 weeks

Affected

Not disclosed

Linked

5 filings

Confidence

64%

Full breach record for McLaughlin & Stern LLP →

McLaughlin & Stern, LLP notified consumers on July 3, 2025, that on April 7, 2025, an unknown actor copied or downloaded certain data. The firm engaged third-party specialists to investigate and confirmed network security. The breach involved names and other data elements. The firm implemented additional safeguards and offered complimentary credit monitoring and identity protection services. Rhode Island residents were specifically noted as impacted.

J jump to incidentP pin to compareR raw source

Vermont clock✗ VT AG >45 bday12 weeks discovery → filing

⚠ unattributedNo provenance was recorded for this discovery date and it matches no other date on the record. It may be correct, but it is not independently grounded.

Incident timeline

discovery → filing · 12 weeks / 87 days

Apr 7, 2025

Discovered

Jul 3, 2025

Filed

vs. sector median

6 wks faster

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

A leak claim by silentransomgroup about this victim predates this filing by 88 days.View originating leak claim

Linked disclosures

Why this link?

Ransomware claims (1)

Leak Sitesilentransomgroupbd_a13ed0fa91e417d62025-04-05 · +89dVerified

Regulatory filings (3) · sorted by filing gap

Maine State AGbd_2f536740152c6bea2025-07-03Verified
New Hampshire State AGbd_cfaaaf758e7fdb2b2025-07-03Verified
Massachusetts State AGbd_ecc13fb84897e4b72025-07-03Verified by operator

Name: McLaughlin & Stern LLP
norm: mclaughlin stern
Domain: mclaughlinstern.com

Name: McLaughlin & Stern LLP
norm: mclaughlin stern
Domain: mclaughlinstern.com
Industry: Professional Servicesllm

Discovered: Apr 7, 2025
Materiality determined: —
Notification sent: Jul 3, 2025
Affected individuals: Not disclosed
Data types: Identity (basic)
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid AccountsT1119 Automated Collection
Threat actor: External

During the incident: Began working with third-party computer specialists to confirm that our system is secured
Conducted a comprehensive review of the data
Implemented additional safeguards to further enhance the security of information in its possession
Offering complimentary credit monitoring and identity protection services
Changes made: Implemented additional safeguards to further enhance the security of information in its possession
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 12 weeks(87 days from discovery to filing)
Compliance flags: VT AG >45 bdayLeak >30d
Discovery-date grounding: unattributedNo provenance was recorded for this discovery date and it matches no other date on the record. It may be correct, but it is not independently grounded.

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 4 filings · 4 states

View merged incident ↗

Maine State AGJul 3 · first

New Hampshire State AGJul 3 · first

Massachusetts State AGJul 3 · first

Vermont State AGJul 3 · 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://ago.vermont.gov/document/2025-07-03-mclaughlin-stern-data-breach-notice-consumers
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Jul 3, 2025
Raw hash: ffe720feb5a6a3013ee6ebe148e434f7673210d140ed829cdd0342ce205437c6

Linked disclosures

Ransomware claims (1)

Regulatory filings (3) · sorted by filing gap

Reporting entityMcLaughlin & Stern LLP

Victim entityMcLaughlin & Stern LLP

Incidentdiscovered Apr 7, 2025

Stated responseBegan working with third-party computer specialists to confirm that our system is secured

ComplianceVT AG >45 bday

Extraction provenanceno artifact recorded

Source provenanceago.vermont.gov