PhysTechSoft Ltd. became well known via its powerful high performance operating system PTS DOS. Our day company offers the effective encryption and data protection in StrongDisk Pro software package. High performance encryption with wide range additional data protection tools in StrongDisk Pro is perfect solution for corporate, home, and mobile users. Different license models are effectively implemented to meet the needs of the market. Optional hardware token support in StrongDisk Pro allows key information operation to be executed safely and convenient for the user. External CSP support allows users to select the encryption algorithms for data encryption. StrongDisk Pro package contains additional tools to enforce data protection and prevent unauthorized access to the case sensitive data.