How To Harden Up Your Mac, Courtesy of the NSA | Cult of Mac | Apple, Mac, iOS4, iPad, iPhone and (in)security... |
Amid all the talk of malware scares for Mac users recently, here’s a useful guide to Mac security basics, from the NSA of all people.

A PDF titled “Hardening tips for OS X Snow Leopard”, the file is free for anyone to grab. Here it is (direct PDF link).

It spells out a lot of simple steps you can take to “harden up” your Mac from security threats. Following them all won’t guarantee that your Mac is safe from every threat out there, but it will make life harder for the malware merchants.