HackingRetail & ConsumerTechnologyRetailData ExfiltratedCustomer Data InvolvedIdentity (basic)Government IDHighContained

Lincoln Holdings LLC

bd_8836064477107793 · schema v1 · pii pii-v1

Severity

High

Discovered

Apr 7, 2026

Filed

Apr 27, 2026

To disclose

20 days

Affected · nationwide

10,2823 in this filing

Linked

6 filings

Confidence

66%

Full breach record for Lincoln Holdings LLC →

Lincoln Holdings LLC d/b/a Monumental Sports & Entertainment reported an external system breach (hacking) occurring Dec 8-9, 2025. The incident was discovered on Apr 7, 2026, affecting 10,282 individuals, including 3 Maine residents. Personal information, including government identifiers, was exfiltrated. The company engaged external cybersecurity specialists and law enforcement, and is offering 24 months of identity monitoring via Kroll.

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Maine clockDiscovered Apr 7, 2026 → Filed with AG Apr 27, 202620d ✓ ME AG ≤30d20 days discovery → filing

⚠ AG web formThe discovery date came from the AG web-form field, which is systematically later than the detection date stated in the letter. Treat the clock as indicative.

Incident timeline

undetected · 120 days

discovery → filing · 20 days

Dec 8, 2025

Begins

Apr 7, 2026

Discovered

Apr 27, 2026

Filed

vs. sector median

5 wks faster

This filing is one of 6 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (5) · sorted by filing gap

New Hampshire State AGbd_358f46ea97aa73ac2026-04-27Verified
Massachusetts State AGbd_8eec767369f522342026-04-27Verified
Vermont State AGbd_c84e5c9c10c44bf12026-04-27Verified
Indiana State AGbd_e3b87a3238d35fe42026-04-28 · +1dVerified

Show 1 more filing ↓up to 1d gap

Nebraska State AGbd_e76036550d2f6d4c2026-04-28 · +1dVerified

Name: Lincoln Holdings LLC
norm: lincoln holdings

Name: Lincoln Holdings LLC
norm: lincoln holdings
Also named: Lincoln Holdings LLCdba oflegal entity
Monumental Sports & Entertainmentdba oftrade name
Industry: Retail & ConsumerllmTechnologyllm

Discovered: Apr 7, 2026
Breach occurred: Dec 8, 2025 – Dec 9, 2025
Undetected for: 120 daysoccurrence → discovery
Materiality determined: —
Notification sent: Apr 28, 2026
Affected individuals: 10,282state + nationwide
Data types: Identity (basic)Government ID
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing ApplicationT1041 Exfiltration Over C2 Channel
Threat actor: ExternalFinancial
Regulator citations: Notified Maine Attorney General
Initial access: exploit_public_facing

During the incident: Activated incident response protocols
Initiated an investigation
Took steps to contain it
Launched an investigation with the support of external cybersecurity specialists
Worked closely with law enforcement
Changes made: Offering individuals complimentary identity monitoring services through Kroll for 24 months
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 20 days(20 days from discovery to filing)
Compliance flags: ME AG ≤30d · 20d
Discovery-date grounding: AG web formThe discovery date came from the AG web-form field, which is systematically later than the detection date stated in the letter. Treat the clock as indicative.
Clock breakdown: Statute Window Elapsed Threshold Status
Maine
Discovered: Apr 7, 2026
→ Filed with AG: Apr 27, 2026
20d 30 days ME AG ≤30d

Statute	Window	Elapsed	Threshold	Status
Maine	Discovered: Apr 7, 2026 → Filed with AG: Apr 27, 2026	20d	30 days	ME AG ≤30d

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 6 filings · 6 states

View merged incident ↗

New Hampshire State AGApr 27 · first

Massachusetts State AGApr 27 · first

Vermont State AGApr 27 · first

Maine State AGApr 27 · first · this page

Indiana State AG+1d

Nebraska State AG+1d

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/fe2176e9-7382-408d-9b69-81605c842ed5.html
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Apr 27, 2026
Raw hash: 401d338ace0fedd86b2c15ed9f110d438b49968ab1941d4b75d27388bc04c987

Linked disclosures

Regulatory filings (5) · sorted by filing gap

Reporting entityLincoln Holdings LLC

Victim entityLincoln Holdings LLC

Incidentdiscovered Apr 7, 2026

Stated responseActivated incident response protocols

ComplianceME AG ≤30d

Extraction provenanceno artifact recorded

Source provenancewww.maine.gov