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Cyber Threat
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Ransomware victim Hospitality and Tourism

CASINO DE MONTE-CARLO

Listed by D4rk4rmy on · organisation based in Monaco

www.montecarlosbm.com

Disclosed
Aug 3, 2025
Leak-site listing date
Threat group
D4rk4rmy
18 victims listed
Country
Monaco
#115 most targeted
Sector
Hospitality and Tourism

ThreatAI analysis

Compiled from this incident record and the threat intelligence profile for D4rk4rmy. Figures and technique mappings are quoted from the source data, not inferred.

About the D4rk4rmy group

D4rk4rmy is a ransomware and data extortion group active since at least 2025, targeting financial services, hospitality, technology, and logistics sectors, operating a RaaS model with notable claimed victims including the Monte Carlo casino resort. D4rk4rmy has listed 18 victims since July 2025.

Incident analysis

CASINO DE MONTE-CARLO was listed by D4rk4rmy ransomware, a group with 18 victims recorded in this database. The listing appeared on the group's leak site on August 3, 2025.

CASINO DE MONTE-CARLO is based in Monaco and operates in the Hospitality and Tourism sector. Monaco ranks #115 worldwide for ransomware disclosures, with 5 victims in this database.

Sector context. Organisations in this sector hold valuable data and operational systems that ransomware groups seek to exploit for financial gain through encryption and data exfiltration.

D4rk4rmy typically follows a double extortion model: data is exfiltrated from the victim's systems before files are encrypted, so the victim faces two demands at once — pay to restore access, and pay to keep stolen data unpublished. The leak site, where this listing appeared, is the lever for the second demand.

Source. Public leak-site disclosures aggregated via the ransomware.live API. The disclosure date is when the listing was published, which can differ from the date of compromise. This site does not publish or link to stolen data. Last updated .

Frequently asked questions

Was CASINO DE MONTE-CARLO attacked by ransomware?

Yes. CASINO DE MONTE-CARLO was listed as a victim of the D4rk4rmy ransomware group on August 3, 2025. The organisation is based in Monaco and operates in the Hospitality and Tourism sector. The disclosure appeared on the group's dark web leak site.

Which ransomware group attacked CASINO DE MONTE-CARLO?

CASINO DE MONTE-CARLO was attacked by D4rk4rmy ransomware. D4rk4rmy is one of the most active ransomware groups, having claimed 18 victims globally. The group typically employs a double-extortion model: encrypting the victim's files and threatening to publish stolen data.

When did the CASINO DE MONTE-CARLO ransomware attack occur?

The ransomware attack on CASINO DE MONTE-CARLO was disclosed on August 3, 2025. This date reflects when the victim was published on the threat group's leak site, which may differ from the actual date of initial compromise.

What data was stolen in the CASINO DE MONTE-CARLO ransomware attack?

The specific data stolen from CASINO DE MONTE-CARLO has not been independently verified by this platform. Ransomware groups typically exfiltrate data before encrypting systems and use the threat of publication to pressure victims. As a Hospitality and Tourism organisation, CASINO DE MONTE-CARLO likely held sensitive business data, client information, and operational records.

How can organisations protect against D4rk4rmy attacks?

To defend against D4rk4rmy and similar threat actors, organisations should: maintain regular offline backups tested for restoration; implement network segmentation to limit lateral movement; deploy multi-factor authentication on all remote access; use endpoint detection and response (EDR) tools; conduct regular phishing and security awareness training; and monitor threat intelligence feeds for indicators of compromise (IOCs) associated with active groups.