Midwest Gaming & Entertainment, LLC, d/b/a Rivers Casino Des Plaines

Midwest Gaming & Entertainment, LLC, d/b/a Rivers Casino Des Plaines notified California AG on Nov 22, 2023 of a data breach, which occurred on Aug 8, 2023. Data exposed: Social Security number, Financial / bank account, Date of birth, Usernames / passwords, Military ID, Tax ID / EIN / ITIN, Phone number, Postal address, Name.

Case file (dates, days to notice against the statute, what the letter offers, prior incidents)

Organization: Midwest Gaming & Entertainment, LLC, d/b/a Rivers Casino Des Plaines
Source: California AG · source record
Date reported: Nov 22, 2023
Date(s) of breach: Tuesday, August 8, 2023
Residents affected: Not published by this source
Data exposed: Social Security number Financial / bank account Date of birth Usernames / passwords Military ID Tax ID / EIN / ITIN Phone number Postal address Name
Notice letter: Sample notice (PDF)
Discovered: Nov 2, 2023, as stated in the letter
"Specifically, on November 2, 2023, we determined that files containing certain personal information of Rivers Casino Des Plaines Team Members, customers, and online sportsbook customers may have been accessed or removed from our network ..."
Days to notice: 20 days from discovery (Nov 2, 2023) to the California record (Nov 22, 2023). Statute: 30 days from discovery or notification of the breach (Cal. Civ. Code § 1798.82).
Offered in the letter: 12 months of credit or identity monitoring through Experian
Third party: The letter attributes the incident to a vendor or service provider
First seen by BreachTally: 2026-10-30 15:56 UTC

Dates and counts as filed by the organization with the agency. The breach window and the report date often differ by months.

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Data reproduced from a public government filing. Spot an error? Email support@breachtally.com with the record link. Corrections are applied and noted.