Active@ ZDelete 

Active ZDelete is a powerful cleanup and Internet eraser utility that sweeps selected files, folders, Internet Cache, Internet History, cookies, temporary files, etc. without any possibility of future data recovery. Moreover, it helps you to protect your privacy by blocking the access to your private deleted data. The program also includes an Integrated Disk Wiper which allows you to erase data on your hard drives free space making the recovery of previously deleted files impossible. Once a file is destroyed with Zdelete it is purged forever. When you delete temporary internet files, clear history or empty the Recycle Bin, any intruder can still recover deleted files from your computer using low-level disk editors or latest data recovery software. The only way to ensure that files deleted are not recovered is to use a secure application that should explicitly destroys the data, overwriting and replacing hard drive surface information. If you are looking for an application which can erase your information forever, this is perfect for you.