DisclosureLens
UnknownGovernment IDCritical

MGM RESORTS INTERNATIONAL

bd_3d31054a0da62277 · schema v1 · pii pii-v1

Severity

Critical

Discovered

—

Filed

Oct 5, 2023

To disclose

—

Affected

313,400state residents only

Linked

14 filings

Confidence

95%
Full breach record for MGM RESORTS INTERNATIONAL →4 incidents on file

MGM Resorts International reported a data breach to the Massachusetts Office of Consumer Affairs and Business Regulation. The breach was reported on 2023-10-05. 313,400 Massachusetts residents were affected. The report records the breach type as electronic.

Massachusetts clock✓ MA credit monitoring due
⚠ no discovery dateNo discovery date was extracted, so no notification clock can be evaluated.

Incident timeline — partial

? — ?

Breach window unknown

Oct 5, 2023

Filed

—

Corroborated · see linked filings

Compliance clocks stay unassessable until a regulatory filing lands. Dashed segments fill in automatically when corroboration arrives.

This filing is one of 14 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (10) · sorted by filing gap

Show 6 more filings ↓up to 61d gap

Showing first 10 of 13 linked disclosures.

Filing propagation · 11 filings · 10 states

View merged incident ↗
Washington State AGOct 5 · first
Oregon State AGOct 5 · first
Vermont State AGOct 5 · first
Indiana State AGOct 5 · first
Maine State AGOct 5 · first
Delaware State AGOct 5 · first
SEC 8-KOct 5 · first
Montana State AGOct 5 · first
Massachusetts State AGOct 5 · first · this page
South Carolina State AG+1d
California State AG+61d

Pattern: first filing Oct 5 (WA), last Dec 5 (CA) — a 61-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?

Cascade drawn from the first 10 linked disclosures of 13 — the full spread may be wider.

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.