HackingHospitalityHospitalityData ExfiltratedCustomer Data InvolvedFinancial accountIdentity (basic)Government IDMediumContained

MPB Property, LLC

bd_bb3abf609c31e65f · schema v1 · pii pii-v1

Severity

Medium

Discovered

—

Filed

May 28, 2026

To disclose

—

Affected

2state residents only

Linked

3 filings

Confidence

66%

Full breach record for MPB Property, LLC →

MPB Property, LLC, owner of the Eau Palm Beach Resort and Spa, notified Massachusetts residents of a security incident where an unauthorized actor likely took files from its network between September 7 and September 10, 2025. The investigation determined on April 23, 2026, that personal information, including first and last names, may have been included in the impacted data. The company secured its network, engaged outside cybersecurity professionals, and is offering complimentary identity monitoring services.

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Leak gap clock✗ Leak >180d

⚠ no discovery dateNo discovery date was extracted, so no notification clock can be evaluated.

Incident timeline

Sep 7, 2025

Begins

May 28, 2026

Filed

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

Linked disclosures

Why this link?

Regulatory filings (2) · sorted by filing gap

Maine State AGbd_50395d03e108497a2026-05-27 · +1dVerified
Indiana State AGbd_1ca6911bdfec9a012026-05-22 · +6dVerified

Name: MPB Property, LLC
norm: mpb property

Name: MPB Property, LLC
norm: mpb property
Industry: Hospitalityllm

Discovered: —
Breach occurred: Sep 7, 2025 – Sep 10, 2025
Materiality determined: —
Notification sent: May 21, 2026
Affected individuals: 2state-resident count only
Data types: Financial accountIdentity (basic)Government ID
Attack vector: Unknown
MITRE ATT&CK: T1041 Exfiltration Over C2 Channel
Threat actor: External

During the incident: Secured our network
Launched an investigation in consultation with outside cybersecurity professionals
Offering a complimentary [Extra3]-month membership of Experian IdentityWorks
Changes made: Reviewed and revised our information security practices
Implemented additional security measures to mitigate the chance of a similar event in the future
Source: Quoted from the filing itself, not independently verified.

Compliance flags: Leak >180d
Discovery-date grounding: no discovery dateNo discovery date was extracted, so no notification clock can be evaluated.

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 3 filings · 3 states

View merged incident ↗

Indiana State AGMay 22 · first

Maine State AG+5d

Massachusetts State AG+6d · this page

Pattern: first filing May 22 (IN), last May 28 (MA) — a 6-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.mass.gov/doc/2026-856-mpb-property-llc/download
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: May 28, 2026
Raw hash: 17973313597250b9b6c016869ab7920c22ea8e2c2ea5d12bad3c9a84046d64a0

Linked disclosures

Regulatory filings (2) · sorted by filing gap

Reporting entityMPB Property, LLC

Victim entityMPB Property, LLC

IncidentUnknown

Stated responseSecured our network

ComplianceLeak >180d

Extraction provenanceno artifact recorded

Source provenancewww.mass.gov