There are many different types of software to protect yourself from viruses, malware, attacks.  Some are for personal use while others are strictly maintained for network systems.  Which do you own?

FIREWALLS
	M0N0Wall - FreeBSD based firewall	X
	Smoothwall - Linux iptables firewall		X
	ZoneAlarm - Windows based software firewall			X
AUDIT/SCAN
	Newt - Tenable Security's Windows port of Nessus			X
	Nessus - Tenable Security's linux scanner		X
	F.I.R.E. - forensic analysis incident response scanner		X
UTILTIES
	SystemRescueCD - Linux system for repairing systems		X
MALWARE
	Ad-aware - Spyware/Malware detector			X
	Spybot Attack and Destroy - Spyware/Malware detector			X
ANTIVIRUS
	ClamAV - Windows/Linux antivirus software		X	X
	HouseCall - TrendMicro's free Java antivirus scanner	?	?	X	?