software??

Question by guy: software??
what is the best :
1. anti-virus software
2. anti-hacker software
3. anti-abuse software
4. anti-spammer software
5. firewall?
6. anti-trojan and worm software

*kindly justify your comments/posts
*im asking for the best software for each category. im not asking you to choose.

Best answer:

Answer by The Freak
1. anti-virus software

Add your own answer in the comments!