From eWeek, a link to a cute slideshow of Peter Coffee’s Dirty Dozen IT Embarrassments.

1999: Melissa Worm teaches crucial lessons—or does it?
How many of this worm’s enablers are still common IT practice?
The worm generated so much traffic, so quickly, that some sites had to turn off their e-mail servers. Melissa spread without user action by exploiting convenience features. Seven years later, we’re only beginning to rein in that syndrome—an effort that requires eternal vigilance.

It’s a cute list, as with all “Top X” lists people will agree and disagree with parts of them. Perhaps most interesting is that five out of the twelve are directly related to security and privacy. Perhaps it is time for a “top twelve security disasters”.