Don't think for one minute that your old computer hard drive is safe after deleting any critical data that you may have stored one it after many years of use. It's a fact that even an intermediate computer hack can still access those files!

Right now I'm in the process of upgrading computers at home.  Essentially I'm getting rid of computer towers and buying a laptop that I can take back and forth to work. But before I junk them, I need to erase the drives. But honestly, I'm still scared. In the past I have literally taken a hammer to the hard drives, but here's something I just might try: