Secure VDisk is a compact program for creating on-the-fly-encrypted virtual disks. It helps you protect your sensitive files or data from unauthorized access with strong Encryptions. You can create a new volume which reside in a file, and mount it as a virtual disk. File operations on the virtual disk just like they are on any normal disk. Files that are being written/ read on virtual disk are automatically being encrypted/ decrypted on-the-fly, without any user intervention.