SecurityManager 99 is an application for encrypting individual files and the contents of entire folders using the DES (Data Encryption Standard) method. SecurityManager 99 is designed to be very secure: when data is encrypted the original files are automatically overwritten, making it impossible to restore their contents with file utilities. SecurityManager 99 is also designed to be fast. Programmed entirely in 32-bit code and using special processor instructions available since the 80486 generation, it is designed to achieve performance comparable to that of hardware encryption systems.