HackingProfessional ServicesProfessional ServicesData ExfiltratedTargetedIdentity (basic)Government IDHighContained

Carpenter McCadden and Lane LLP

bd_558058282c1d5617 · schema v1 · pii pii-v1

Severity

High

Discovered

Mar 25, 2025

Filed

Jun 2, 2025

To disclose

10 weeks

Affected · nationwide

7,9172 in this filing

Linked

3 filings

Confidence

66%

Full breach record for Carpenter McCadden and Lane LLP →

Carpenter, McCadden & Lane, LLP reported an external system breach (hacking) occurring April 18-19, 2024. The firm discovered the incident on March 25, 2025, after a comprehensive data review. Approximately 7,917 individuals were affected, including 2 Maine residents. Compromised data included names, Social Security numbers, and driver's license numbers. The firm engaged third-party cybersecurity specialists, notified federal law enforcement, and provided 12 months of Equifax credit monitoring to affected individuals.

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Leak gap clock✗ Leak >180d10 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

undetected · 341 days

discovery → filing · 10 weeks / 69 days

Apr 18, 2024

Begins

Mar 25, 2025

Discovered

Jun 2, 2025

Filed

vs. sector median

8 wks faster

This filing is one of 3 about the same incident.View merged incident

Linked disclosures

Why this link?

Ransomware claims (1)

Leak Sitemeowbd_e4793b4b76f165d12024-09-12 · +262dVerified by operator

Regulatory filings (1) · sorted by filing gap

Massachusetts State AGbd_22d2339ca0ed9cb02025-06-02Verified by operator

Name: Carpenter McCadden and Lane LLP
norm: carpenter mccadden and lane
Domain: cml-law.net
Industry: professional_services

Name: Carpenter McCadden and Lane LLP
norm: carpenter mccadden and lane
Domain: cml-law.net
Industry: professional_services
Industry: Professional Servicesllm

Discovered: Mar 25, 2025
Breach occurred: Apr 18, 2024 – Apr 19, 2024
Undetected for: 341 daysoccurrence → discovery
Materiality determined: —
Notification sent: Jun 2, 2025
Affected individuals: 7,917state + nationwide
Data types: Identity (basic)Government ID
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing ApplicationT1078 Valid Accounts
Threat actor: ExternalFinancial
Regulator citations: Provided written notice to relevant state regulatorsNotified the three major credit reporting agencies
Initial access: exploit_public_facing

During the incident: Launched an investigation with the assistance of third-party cybersecurity specialists
Undertook a comprehensive and time-intensive review of the potentially involved data
Notified federal law enforcement regarding the event
Provided access to credit monitoring services for twelve (12) months, through Equifax
Providing individuals with guidance on how to better protect against identity theft and fraud
Providing written notice of this incident to relevant state regulators
Providing written notice to the three major credit reporting agencies
Changes made: Working to implement additional safeguards and training to its employees
Evaluating additional security measures and existing policies and procedures to mitigate reoccurrence
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 10 weeks(69 days from discovery to filing)
Compliance flags: Leak >180dME AG >30d · 69d
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.
Clock breakdown: Statute Window Elapsed Threshold Status
Maine
Discovered: Mar 25, 2025
→ Filed with AG: Jun 2, 2025
69d 30 days (soft) ME AG >30d

Statute	Window	Elapsed	Threshold	Status
Maine	Discovered: Mar 25, 2025 → Filed with AG: Jun 2, 2025	69d	30 days (soft)	ME AG >30d

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 2 filings · 2 states

View merged incident ↗

Massachusetts State AGJun 2 · first

Maine State AGJun 2 · 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-a1252b4f8318/3189bef5-582d-4467-afa0-c9293faf867c.html
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Jun 2, 2025
Raw hash: 0117d117541263626128ec9b089b22fae3c8825e64bff2ed7c88d6e1bc61bb62

Linked disclosures

Ransomware claims (1)

Regulatory filings (1) · sorted by filing gap

Reporting entityCarpenter McCadden and Lane LLP

Victim entityCarpenter McCadden and Lane LLP

Incidentdiscovered Mar 25, 2025

Stated responseLaunched an investigation with the assistance of third-party cybersecurity specialists

ComplianceLeak >180d

Extraction provenanceno artifact recorded

Source provenancewww.maine.gov