BrianClub was a notorious dark web marketplace known for selling stolen credit card data and other financial information. It provided cybercriminals access to vast databases of compromised credit card data, including details like card numbers, expiration dates, and CVVs, often sourced from breaches, leaks, or hacking activities. This site caters to fraudsters seeking to exploit data for illegal transactions. Authorities shut down several similar platforms due to their role in facilitating identity theft and financial crime. Engaging in or supporting such activities is illegal and carries severe legal consequences, including prosecution and imprisonment.