You can no longer trust Office or QuickTime files that arrive in e-mail, even from organizations and people you deal with regularly. For that matter, any file from a popular software application, sent by e-mail or accessible at a website, is no longer trustworthy. Why? Data thieves are increasingly using ...

If a program has a bug in it that manifests under extreme circumstances, then normally, it's a minor annoyance. Usually, you can just avoid the extreme circumstances, and the bug isn't a problem. You could duplicate the effect of tickling the bug by writing your own program, if ...