Veteran Hacker 'Flint' Sentenced to 15 Years in Russia for Global Carding Ring

A Russian military court has sentenced 26 individuals to prison terms of up to 15 years for their roles in a sophisticated organization dedicated to the illicit trade of payment card data. Among those convicted is Alexei Stroganov, known in underground forums as "Flint," whom authorities identified as the ringleader of the operation. The sentences, which include substantial financial penalties, mark the conclusion of a major case targeting a network that victimized bank users across the European Union, the United States, and the post-Soviet region.

Background and Context

The criminal syndicate specialized in "carding"—the theft and sale of credit and debit card information—operating a vast infrastructure that included approximately 90 online stores. According to the investigation, these platforms sold "dumps," raw data sufficient to clone physical cards, as well as CVV/CVC codes used to facilitate fraudulent online payments. The network remained active for years until Russian law enforcement dismantled it in March 2020 through simultaneous raids across multiple regions, confiscating cash and technical equipment.

Key Figures and Entities

Stroganov is recognized as a veteran actor within the carding ecosystem. Court records show he was previously convicted in 2006 for similar offenses related to the mass forgery of payment cards. Following his release, Russian media reports indicated that he worked as a cybersecurity consultant, advising financial institutions on how to defend against the very attacks he is now accused of perpetrating. The case was tried in a military court due to the involvement of a reserve officer linked to the Southern Military District among the convicted.

Legal and Financial Mechanisms

Prosecutors detailed how the group systematically obtained and sold stolen banking data, which was subsequently used to conduct fraudulent transactions largely outside of Russia. The court found the defendants guilty of managing this complex financial fraud scheme. In addition to prison sentences reaching up to 15 years, the court imposed significant fines aimed at dismantling the financial power of the organization.

International Implications and Policy Response

The case underscores the transnational nature of modern financial cybercrime. While Stroganov faces imprisonment in Russia, he has also been the subject of international scrutiny. In 2024, he was placed on the U.S. Secret Service's wanted list, accused of wire fraud, bank fraud, and aggravated identity theft. U.S. investigators allege he participated in a conspiracy lasting at least a decade that compromised hundreds of millions of cards and bank accounts, causing millions in losses to financial entities. However, extradition is unlikely, as Russian policy generally prohibits the surrender of its citizens to foreign authorities.

Sources

This report draws on U.S. Secret Service records, Russian court filings, and prior media investigations into international cybercrime networks.