You should do a secure deletion. Generally, deleting a file just removes the pointer to it within the file system--it isn't overwritten immediately, and is stil

You should do a secure deletion. Generally, deleting a file just removes the pointer to it within the file system--it isn't overwritten immediately, and is still recoverable. There are free utilities out there that delete securely. If you already deleted the file, which I think you posted is the case, there are also utilities that will overwrite the slack space on your drive, which will also make the file unrecoverable.