Mac Flashback Trojan

Of *course* there are Mac viruses in the wild, just not the boocoo that MS attracts. But this one looks like the proverbial major pain in the whereever. Many thanks to Gizmodo.

Angry IP Scanner

For network scanning, Angry IP Scanner is a sweet little program that does the trick. Cross-platform, has nice internal options, and if you know Java, you can write your own plugins.