There is a method called Gutmann method, which deletes files very securely, by randomising the content etc.

softwares using this method - http://en.wikipedia.org/wiki/Gutmann...mplementations

Deleting with this method with 10+ repetition should be almost impossible to recover.
As the repetition increases, the possibility of recovering decreases.

remember that DoD deletion methods are not as secure as Gutmann.
HostMafia Reviewed by HostMafia on . Not Recover Possible by any software after Files Deleted? Any method for Not Recover Possible by any software after Files Deleted which deleted few years ago. If I already Deleted files from Hard Drive ?block or not able to recover any more by any software It is possible? Because I want to sell my Hard disc so I want to protect my confidential documents without harm Hard Disc. Rating: 5