HackingProfessional ServicesProfessional ServicesTargetedCustomer Data InvolvedEmployee Data InvolvedIdentity (basic)Government IDFinancial accountHealth (basic)MediumContained

Langdon & Emison LLC

bd_8544aa1c26be3b28 · schema v1 · pii pii-v1

Severity

Medium

Discovered

May 28, 2025

Filed

Oct 31, 2025

To disclose

22 weeks

Affected

1state residents only

Linked

5 filings

Confidence

66%

Full breach record for Langdon & Emison LLC →

Langdon & Emison LLC, a law firm, reported an external system breach (hacking) on May 27, 2025, discovered on May 28, 2025. The incident affected 1 Maine resident. Compromised data included names, SSNs, DOBs, driver's license numbers, financial account info, and medical information. The firm engaged forensic specialists, notified law enforcement, and issued substitute notice on October 31, 2025.

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Maine clockDiscovered May 28, 2025 → Filed with AG Oct 31, 2025156d ✗ ME AG >90d22 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 · 1 days

discovery → filing · 22 weeks / 156 days

May 27, 2025

Begins

May 28, 2025

Discovered

Oct 31, 2025

Filed

vs. sector median

+4 wks slower

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

Massachusetts State AGbd_900230a5f21846aa2025-10-31Verified
Vermont State AGbd_a9626145dbcdb7bf2025-10-31Verified
Nebraska State AGbd_acf750b5e014086f2025-10-31Verified
New Hampshire State AGbd_ea4911876d62fd092025-10-31Verified

Name: Constangy, Brooks, Smith & Prophete, LLP
norm: constangy brooks smith prophete

Name: Langdon & Emison LLC
norm: langdon emison
Industry: Professional Servicesllm

Discovered: May 28, 2025
Breach occurred: May 27, 2025
Undetected for: 1 dayoccurrence → discovery
Materiality determined: —
Notification sent: Oct 31, 2025
Affected individuals: 1state-resident count only
Data types: Identity (basic)Government IDFinancial accountHealth (basic)
Data elements: Social Security numberDate of birthMedical information
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing Application
Threat actor: External
Regulator citations: Submitted Security Breach Notification to Maine Attorney General
Initial access: exploit_public_facing

During the incident: Engaged digital forensics specialists to assist with our investigation
Notified federal law enforcement and cooperated with its inquiries
Provided notice with information on steps you can take to protect your data
Hosted notice of the event on the firm website
Established a toll-free call center to answer individuals’ questions
Changes made: Implemented additional security measures to minimize the risk of a similar event occurring in the future
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 22 weeks(156 days from discovery to filing)
Compliance flags: ME AG >90d · 156dME resident >60d · 156d
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: May 28, 2025
→ Filed with AG: Oct 31, 2025
156d 90 days ME AG >90d
Maine
Discovered: May 28, 2025
→ Notified: Oct 31, 2025
156d 60 days (analyst band; statutory cap is 30 days) ME resident >60d

Statute	Window	Elapsed	Threshold	Status
Maine	Discovered: May 28, 2025 → Filed with AG: Oct 31, 2025	156d	90 days	ME AG >90d
Maine	Discovered: May 28, 2025 → Notified: Oct 31, 2025	156d	60 days (analyst band; statutory cap is 30 days)	ME resident >60d

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 5 filings · 5 states

View merged incident ↗

Massachusetts State AGOct 31 · first

Vermont State AGOct 31 · first

Nebraska State AGOct 31 · first

New Hampshire State AGOct 31 · first

Maine State AGOct 31 · 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-a1252b4f8318/0d51256b-2090-40ed-bd3c-8632ccd9d3ee.html
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Oct 31, 2025
Raw hash: d8d7a28b23369a7a2cd162107902f42d936233a8830aad51c38679858f5ab91d

Linked disclosures

Regulatory filings (4) · sorted by filing gap

Reporting entityConstangy, Brooks, Smith & Prophete, LLP

Victim entityLangdon & Emison LLC

Incidentdiscovered May 28, 2025

Stated responseEngaged digital forensics specialists to assist with our investigation

ComplianceME AG >90d

Extraction provenanceno artifact recorded

Source provenancewww.maine.gov