UnknownHospitalityRetail & ConsumerHospitalityCustomer Data InvolvedFinancial accountIdentity (basic)Government IDPIIMedium

MGM RESORTS INTERNATIONAL

bd_0679be5b36047059 · schema v1 · pii pii-v1

Severity

Medium

Discovered

—

Filed

Mar 7, 2026

To disclose

—

Affected

1state residents only

Confidence

47%

Full breach record for MGM RESORTS INTERNATIONAL →4 incidents on file

MGM Resorts International notified Massachusetts residents of a data incident. The notice offers 24 months of complimentary Experian IdentityWorks credit monitoring and identity restoration services. The provided document excerpt does not contain details regarding the nature of the breach, dates of occurrence or discovery, specific data types compromised, or the number of individuals affected.

J jump to incidentP pin to compareR raw source

Incident timeline — partial

? — ?

Breach window unknown

Mar 7, 2026

Filed

No interval is drawn: no breach start or discovery date is on record for this filing.

Tracked as a single-filing incident — the only disclosure on record for this event so far.Confirmed1 affectedView incident

Name: MGM RESORTS INTERNATIONAL
norm: mgm resorts
Domain: mgmresorts.com

Name: MGM RESORTS INTERNATIONAL
norm: mgm resorts
Domain: mgmresorts.com
Industry: HospitalityllmRetail & Consumerllm

Discovered: —
Materiality determined: —
Notification sent: —
Affected individuals: 1state-resident count only
Data types: Financial accountIdentity (basic)Government IDPII
Attack vector: Unknown

During the incident: Offering complimentary access to Experian IdentityWorks for 24 months
Providing Identity Restoration services for 24 months
Source: Quoted from the filing itself, not independently verified.

Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

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/2026-345-mgm-resorts-international/download
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Mar 7, 2026
Raw hash: d6e979708457094566736d2d0f3e4f203a22b2f56c43b591041123c379600e2e

Reporting entityMGM RESORTS INTERNATIONAL

Victim entityMGM RESORTS INTERNATIONAL

IncidentUnknown

Stated responseOffering complimentary access to Experian IdentityWorks for 24 months

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancewww.mass.gov