A Dark Web Leak Site is a hidden website, typically accessible only via special browsers like Tor, where cybercriminals publish or sell stolen data. These sites are used to expose sensitive information obtained through hacking, such as personal details, financial records, or corporate documents. The purpose is often to pressure victims into paying ransoms, embarrass organizations, or profit from selling the data to others. Law enforcement and cybersecurity experts monitor these sites to track breaches and warn affected parties.