DisclosureLens
GLOBALMalwareHospitalityHospitalityRansomwareMedusaRansom DemandedActor NamedMedium

Eureka Casino Resort

bd_d18a7a612f9d33ca · schema v1 · pii pii-v1

Severity

Medium

Discovered

Filed

Feb 13, 2023

To disclose

Affected

Not disclosed

Linked

4 filings

Confidence

50%
Full breach record for Eureka Casino Resort

Threat-actor claim — not a regulatory filing

This row is a claim by the ransomware group Medusa on its public extortion blog. It has not been validated by the victim or any regulator. Treat attribution and counts as the threat actor's assertion until a regulatory filing or victim disclosure corroborates them.

Group activity: Hospitality and TourismDiscovered: 2023-02-13

Source: Ransomware.live

Post text · scraped from the leak site

Eureka Casinos was founded by the Lee family in Las Vegas, NV. It operates a wide-ranging number of businesses, including Eureka Casino Resort in Mesquite, NV. The Lee Family sold it to the employees in 2015 making it Nevada's first 100% employee owned casino

Incident timeline — mostly unverified

? — ?

Breach window unknown

Feb 13, 2023

Claim posted

Corroborated · see linked filings

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

Claim → filing

Compliance clock

Not assessable

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

Linked disclosures

Why this link?

Ransomware claims (1)

Regulatory filings (2) · sorted by filing gap

Filing propagation · 3 filings · 2 states

View merged incident ↗
Leak SiteFeb 13 · first · this page

Evidence ladder

Leak-site claimThis record

Attacker assertion only. Establishes: claim date, group, alleged victim.

Press / market report

Unlocks: incident narrative, operational impact. Still no compliance clock.

State AG / regulator filing

Unlocks: discovery date, data types, affected count, compliance clock.

SEC 8-K / victim statement

Unlocks: materiality, stated response, full audit trail. Ceiling removed.

Source ceiling

  • actor name
  • victim claim
  • ransom/leak status
  • discovery date
  • materiality
  • notification
  • affected count
  • confirmed data types
  • compliance clock

The ✕ fields stay blank until a regulatory filing or victim disclosure lands.

About this groupFirst seen 2023-01-11

medusa

According to ransomware.live, Medusa is a ransomware-as-a-service operation active since June 2021 that has targeted over 300 victims across critical infrastructure sectors including healthcare, education, legal, and manufacturing using double-extortion, with attacks surging 42% between 2023 and 2024 and a formal CISA advisory issued in early 2025.

565 tracked hereFull profile →