MalwareProfessional ServicesProfessional ServicesRansomwareData EncryptedTargetedMulti-Stage ChainIdentity (basic)Government IDFinancial accountHighActive

Legacy 5 Corporate Services, LLC

bd_a4ad8b8312413d64 · schema v1 · pii pii-v1

Severity

High

Discovered

Sep 15, 2025

Filed

Oct 9, 2025

To disclose

24 days

Affected · nationwide

1,7771 in this filing

Linked

4 filings

Confidence

65%

Full breach record for Legacy 5 Corporate Services, LLC →

Legacy 5 Corporate Services, LLC reported an external system breach on September 15, 2025, where a threat actor encrypted data on an archival storage hard drive. The incident affected 1,777 individuals, including 1 Maine resident. Compromised data included names, SSNs, DOBs, addresses, and financial account information. The company engaged forensic investigators and law enforcement.

J jump to incidentP pin to compareR raw source

Maine clockDiscovered Sep 15, 2025 → Filed with AG Oct 9, 202524d ✓ ME AG ≤30d24 days discovery → filing

⚠ occurrence dateThe stored discovery date equals the breach OCCURRENCE date. Detection is normally later, so this OVERSTATES the delay — a 'late' verdict here may not be real.

Incident timeline

discovery → filing · 24 days

Sep 15, 2025

Begins

Sep 15, 2025

Discovered

Oct 9, 2025

Filed

vs. sector median

16 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

Vermont State AGbd_3672ac509edbfe102025-10-10 · +1dVerified
Indiana State AGbd_9a3a8f3530955d2a2025-10-10 · +1dVerified
New Hampshire State AGbd_dc03ddbe7c9be58f2025-10-14 · +5dVerified

Name: Legacy 5 Corporate Services, LLC
norm: legacy 5 corporate

Name: Legacy 5 Corporate Services, LLC
norm: legacy 5 corporate
Industry: Professional Servicesllm

Discovered: Sep 15, 2025
Breach occurred: Sep 15, 2025
Undetected for: 0 daysoccurrence → discovery
Materiality determined: —
Notification sent: Oct 10, 2025
Affected individuals: 1,777state + nationwide
Data types: Identity (basic)Government IDFinancial account
Data elements: Social Security numberDate of birth
Attack vector: Unauthorized Access
MITRE ATT&CK: T1486 Data Encrypted for ImpactT1078 Valid Accounts
Threat actor: ExternalFinancial
Regulator citations: Notified Maine Attorney General
Initial access: valid_credentials

During the incident: Retained a third-party security and forensic firm
Secured our network
Restored necessary access to certain systems and data
Coordinated with law enforcement
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 24 days(24 days from discovery to filing)
Compliance flags: ME AG ≤30d · 24d
Discovery-date grounding: occurrence dateThe stored discovery date equals the breach OCCURRENCE date. Detection is normally later, so this OVERSTATES the delay — a 'late' verdict here may not be real.
Clock breakdown: Statute Window Elapsed Threshold Status
Maine
Discovered: Sep 15, 2025
→ Filed with AG: Oct 9, 2025
24d 30 days ME AG ≤30d

Statute	Window	Elapsed	Threshold	Status
Maine	Discovered: Sep 15, 2025 → Filed with AG: Oct 9, 2025	24d	30 days	ME AG ≤30d

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 4 filings · 4 states

View merged incident ↗

Maine State AGOct 9 · first · this page

Vermont State AG+1d

Indiana State AG+1d

New Hampshire State AG+5d

Pattern: first filing Oct 9 (ME), last Oct 14 (NH) — a 5-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://www.maine.gov/agviewer/content/ag/985235c7-cb95-4be2-8792-a1252b4f8318/2479471b-bb6b-4f2f-b41f-94740c0fcc3b.html
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Oct 9, 2025
Raw hash: 95fcd5457d15567cf48413deb31841cbe3b1e7792c1a1e07b301c87a6e6c9288

Linked disclosures

Regulatory filings (3) · sorted by filing gap

Reporting entityLegacy 5 Corporate Services, LLC

Victim entityLegacy 5 Corporate Services, LLC

Incidentdiscovered Sep 15, 2025

Stated responseRetained a third-party security and forensic firm

ComplianceME AG ≤30d

Extraction provenanceno artifact recorded

Source provenancewww.maine.gov