DisclosureLens
HackingRetail & ConsumerRetailStolen CredentialsData ExfiltratedTargetedPIIIdentity (basic)Government IDHighContained

Rivers Casino

bd_41dfcc28ec3e8dbd · schema v1 · pii pii-v1

Severity

High

Discovered

Nov 2, 2023

Filed

Nov 28, 2023

To disclose

26 days

Affected

1,836state residents only

Linked

2 filings

Confidence

65%
Full breach record for Rivers Casino →2 incidents on file

Midwest Gaming & Entertainment, LLC (d/b/a Rivers Casino Des Plaines) disclosed unauthorized access to its network on or around August 12, 2023, discovered on November 2, 2023. The incident involved the access or removal of files containing personal information of team members, customers, and online sportsbook customers. No evidence of financial fraud or identity theft was found. The company engaged third-party cybersecurity support and law enforcement, and offered one year of Experian Identity Works Credit 3B to affected individuals.

South Carolina clock✓ SC CRA notice due26 days discovery → filing
⚠ unattributedNo provenance was recorded for this discovery date and it matches no other date on the record. It may be correct, but it is not independently grounded.

Incident timeline

undetected · 82 days
discovery → filing · 26 days

Aug 12, 2023

Begins

Nov 2, 2023

Discovered

Nov 28, 2023

Filed

vs. sector median

4 wks faster

This filing is one of 2 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (1) · sorted by filing gap

Filing propagation · 2 filings · 2 states

View merged incident ↗
Delaware State AGNov 20 · first
South Carolina State AG+8d · this page

Pattern: first filing Nov 20 (DE), last Nov 28 (SC) — a 8-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.