Blast
Microsoft has provided all the tools to make the world of PC's easy to administer, but who administers the administrators? Every time we add a facility that makes PC life easier by allowing automated updates or addition of new content, we create a new niche for the survival of parasitic life-forms.
W32/Blaster-A struck my workplace this morning. It caused chaos for about an hour or two. We were warned yesterday but didn't respond. We paid for our lack of immediate response. It seems that some person (unidentified) must have opened an executable attachment inside the firewall. Doh! That's the computer equivalent of thinking, "Wooo, look at this brightly coloured toadstool... I wonder what it tastes like."