MalwareRetail & ConsumerHospitalityRetailRansomwareData EncryptedCustomer Data InvolvedPIIIdentity (basic)LowContained

Eureka Casino Resort

bd_9b9b93e6cf107daa · schema v1 · pii pii-v1

Severity

Low

Discovered

Nov 9, 2022

Filed

Feb 17, 2023

To disclose

14 weeks

Affected

Not disclosed

Linked

4 filings

Confidence

66%

Full breach record for Eureka Casino Resort →

Eureka Casino Resort (operated by Rancho Mesquite Casino, Inc.) experienced a ransomware incident between November 9-13, 2022. Systems were encrypted by an unauthorized actor. The company engaged a cybersecurity firm and secured systems. Customer data, including basic identity information, was accessed. Complimentary identity monitoring was offered.

J jump to incidentP pin to compareR raw source

Leak gap clock⏱ Leak >30d14 weeks discovery → filing

Incident timeline

discovery → filing · 14 weeks / 100 days

Nov 9, 2022

Begins

Nov 9, 2022

Discovered

Feb 17, 2023

Filed

vs. sector median

+7 wks slower

This filing is one of 4 about the same incident.View merged incident

Linked disclosures

Why this link?

Ransomware claims (2)

Leak Sitemedusabd_d18a7a612f9d33ca2023-02-13 · +4dVerified by operator
Leak Sitebianlianbd_3eb60fbb2de146662022-12-15 · +64dVerified by operator

Regulatory filings (1) · sorted by filing gap

Vermont State AGbd_35fc03ae295ec9092023-02-16 · +1dVerified

Name: Rancho Mesquite Casino, Inc.
norm: rancho mesquite casino

Name: Eureka Casino Resort
norm: eureka casino resort
Domain: eurekamesquite.com
Industry: Retail & ConsumerllmHospitalityllm

Discovered: Nov 9, 2022
Breach occurred: Nov 9, 2022 – Nov 13, 2022
Undetected for: 0 daysoccurrence → discovery
Materiality determined: —
Notification sent: —
Affected individuals: Not disclosed
Data types: PIIIdentity (basic)
Attack vector: Ransomware
MITRE ATT&CK: T1486 Data Encrypted for ImpactT1078 Valid Accounts
Threat actor: External

During the incident: Immediately took steps to secure our systems
Began an investigation
Engaged a cybersecurity firm to assist
Offering a complimentary one-year membership of Experian’s IdentityWorks Credit 3B
Changes made: Implementing several changes to enhance our existing security measures
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 14 weeks(100 days from discovery to filing)
Compliance flags: Leak >30d
Discovery-date grounding: letter-groundedThe discovery date is the detection date narrated in the notification letter — the defensible tier.

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 2 filings · 2 states

View merged incident ↗

Vermont State AGFeb 16 · first

California State AG+1d · this page

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://oag.ca.gov/ecrime/databreach/reports/sb24-563380
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Feb 17, 2023
Raw hash: d207975e6041dc741343e21615c944de7a3fe9b61b5e86a8b10f840dc2e71d2e

Linked disclosures

Ransomware claims (2)

Regulatory filings (1) · sorted by filing gap

Reporting entityRancho Mesquite Casino, Inc.

Victim entityEureka Casino Resort

Incidentdiscovered Nov 9, 2022

Stated responseImmediately took steps to secure our systems

ComplianceLeak >30d

Extraction provenanceno artifact recorded

Source provenanceoag.ca.gov