Graphics cards are a great help to hackers

Graphics cards aren't that smart. But they are good at doing the same thing over and over again. This, researchers reckon, makes them good at 'brute force' password attacks, in which, if one password doesn't hack it, another is tried. Using a decent graphics card, the number of attempts can ratchet up into the billions, depending on how determined the hacker is to bust in, researchers have warned. Boffins at the Georgia Tech Research Institute say that seven-character...