1.3 million current and historically compromised Windows Remote Desktop servers have been leaked by UAS, the largest hacker marketplace for stolen RDP credentials. Remote Desktop Protocol (RDP) is a Microsoft remote access solution that allows users to remotely access a Windows device’s applications and desktop as if they were sitting in front of the computer. The FBI has stated that RDP is responsible for 70-80% of all network breaches leading to ransomware attacks. Cybersecurity researchers have collected the IP addresses, usernames, and passwords, for 1,379,609 RDP accounts that been sold at the end of 2018.
Source: https://www.bleepingcomputer.com/news/security/logins-for-13-million-windows-rdp-servers-collected-from-hacker-market/