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Online Casinos Data Breach

Data belonging to online casinos found exposed online on unprotected Elastic search instance, it includes info on 108 million bets and user details.

Leaked data includes personal information and payment card details, including real names, home addresses, phone numbers, email addresses, birth dates, site usernames, account balances, IP addresses, browser and OS details, last login information, and a list of played games, deposits, and withdrawals.

According to ZDNet, that first reported the news, data was stored in an ElasticSearch server exposed online without a password. ElasticSearch instances are normally installed on internal networks, but sometimes misconfigured systems are exposed online.

The leaked data were discovered by the security researcher Justin Paine that spotted the unsecured ElasticSearch server that was containing data apparently from an online betting portal.

The data appears to be the result of aggregation from multiple web domains.

“Despite being one server, the ElasticSearch instance handled a huge swathe of information that was aggregated from multiple web domains, most likely from some sort of affiliate scheme, or a larger company operating multiple betting portals.” states ZDNet.

“After an analysis of the URLs spotted in the server’s data, Paine and ZDNet concluded that all domains were running online casinos where users could place bets on classic cards and slot games, but also other non-standard betting games.”

All the domains present in the data leak belong to online casinos (i.e.,,, and, some of them were no standard betting games.

All the companies involved in the data leak are located in the same building in Limassol, Cyprus, or were operating under the same eGaming license number issued by the government of Curacao, a circumstance that suggest they were operated by the same entity.

According to the expert, the huge archive was not containing full financial details, but ZDNet pointed out anyone who found the database would have known the personal information of players who recently won large sums of money and could use them to carry out malicious activities against these users, including scams or extortion attempts.

“This is another good example of why operators need to pay attention to the security chain. It is highly likely that this breach was caused through a third party who had sold their services into the casino. As is reasonably typical of casino operators these days, little due diligence would have been performed on the supplier and it is probable that no security checks had been carried out. To ensure that a good chain of security is maintained, cyber security due diligence should be part of the on-boarding of suppliers.” said Peter Bassill, CEO and Principle Security Researcher at Hedgehog Cyber.

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