So here's a fun one. The very software that's supposed to protect you from people sending unwanted packets to your machine is now the target. Meet the witty worm, so called because of the small message it sends when it broadcasts packets. This nasty little worm exploits problems with BlackIce and RealSecure products, so I'd suggest shutting them down until a fix is released for said products.

Beware! This worm is particularly nasty. We haven't seen one in a long time that had a goal that ended in damaging hard drives. On the up side, it should slow down propagation.

Now we need to discuss the definition of "destructive nature." Does a virus have a more destructive nature if it attacks hard-to-hurt servers belonging to large corporations, or if it destroys the hard drive of the machine it's infected while in the process of sending itself out? Which is more malicious -- the one that damages the infected party directly, or the one that damages a company while the infected person is safely unaware. Of course, Witty will inspire people to be more careful with updating their antivirus software. Well, hopefully it will. But the question remains: which is worse?