This guide assumes no previous knowledge of scripting or programming, but progresses rapidly toward an intermediate/advanced level of instruction - all the while sneaking in little nuggets of UNIX wisdom and lore.
TrueAbility launched AbilityScreen for Linux Professionals, a new way to evaluate the skill level of those who work within a Linux environment.
RSA researchers have recently spotted a banking Trojan targeting Linux systems being sold online by a cybercrime team based in Russia.
Nmap is a free and open source utility for network exploration or security auditing.
Windows users are by far the most targeted ones by malware-wielding criminals, but that doesn't mean that OS X and Linux users should feel impervious.