See that chart up there? That's a beautiful visualization of a dozen folk models surrounding the idea of home computer security, devised by Michigan State's own Rick Wash. To construct it (as well pen the textual explanations to back it), he interviewed a number of computer users with varying levels of sophistication, with the goal being to find out how normal Earthlings interpreted potential threats to their PC. His findings? A vast amount of home PCs are frequently insecure because "they are administered by untrained, unskilled users." He also found that PCs remain largely at risk despite a blossoming network of preventative software and advice, and almost c