Security News > 2023 > May > Police dismantles Try2Check credit card verifier used by dark web markets

The U.S. Department of Justice announced today the indictment of Russian citizen Denis Gennadievich Kulkov, suspected of running a stolen credit card checking operation that generated tens of millions in revenue.

Kulkov is believed to have created the Try2Check underground service in 2005, a platform that soon became highly popular among cybercriminals in the illegal credit card trade and helped the suspect make at least $18 million in bitcoin.

The service was used by those who dealt with both the bulk purchase and sale of stolen credit card numbers and needed to check what percentage of cards were valid and active, including dark web marketplaces like Joker's Stash for card testing.

With the help of the Try2Check platform, the defendant victimized not only credit card holders and issuers but also a prominent U.S. payment processing firm whose systems were exploited to conduct the card checks.

Try2Check was also taken down on Wednesday following a joint operation between the U.S. government and partners in Germany and Austria, including units in the Austrian Criminal Intelligence Service, the German Federal Criminal Police Office, the German Federal Office for Information Security, and the French Central Directorate of the Judicial Police.

"Try2Check ran tens of millions of credit card checks per year and supported the operations of major card shops that made hundreds of millions in bitcoin in profits," the DOJ said today.

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