Ryuk ransomware presents a serious threat to enterprises and government organizations everywhere. Consequences of a ransomware attack are significant. No enterprise or governmental organization is immune. CISOs and IT administrators can take some key steps to protect important systems and networks, such as putting protocols in place to limit damage, deploying technical solutions— such as Positive Selection technology – to filter email files, email attachments, and other incoming files, and ensuring all data is properly backed up. With Ryuk malware, the absolute best protection is prevention.