Norton Internet Security 4.0 (Mac) Includes two-way firewall, anti-virus, anti-phishing, Norton DeepSightâ„¢, plus identity, worm, vulnerability, intrusion, browser and file protection.
Macworld's Mac Security Superguide
VirusBarrier X6
Apple AirPort Extreme Base Station (Simultaneous Dual-Band) (MC340LL/A) Security features include Wi-Fi Protected Access (WPA/WPA2); Wireless security (WEP) configurable for 40-bit and 128-bit encryption; MAC address filtering; NAT