BreachForums was an online marketplace and forum where cybercriminals and hackers traded stolen data, hacking tools, and exploits. It served as a hub for the exchange of compromised personal information, corporate data, and illicit digital goods. Law enforcement agencies monitored BreachForums closely due to its role in facilitating data breaches and cybercrime. The platform gained notoriety after the shutdown of similar sites, becoming a prominent destination for those seeking to buy or sell leaked information and hacking resources.