Free Anti Virus Software

• Anti-vir - http://www.free-av.com/
• AVG Anti-Virus - http://www.grisoft.com/us/us_dwnl_free.php - Free for "home users" (see also http://www.avguk.com for UK users)
• F-Prot - "The English-language shareware version of F-PROT antivirus is free of charge for anyone using it on his/her privately owned computer" - http://www.fprot.org/
• More... - http://www.geocities.com/SoHo/Exhibit/5430/s/antivir.html
• Brief Reviews - http://members.optusnet.com.au/~jpj3/antivirus.htm

Free Firewalls

• Agnitum Outpost Firewall 1.0 - Good but technical - http://www.agnitum.com/products/outpostfree/download.php
• Sunbelt Kerio Personal Firewall - http://www.kerio.com/kpf_download.html
• Sygate Personal Firewall - free for personal use - http://smb.sygate.com/free/default.php
• Tiny Personal Firewall - older versions of this are free for personal use
• Reviews of firewalls - a mix of free and paid for ones - http://www.pcmag.com/category2/0,1874,4722,00.asp