Security suites typically combine antivirus, antispyware, and a firewall with value-added features such as antispam and phishing filters. But full blown suites can be pricey. Fortunately for those on a budget, it is entirely possible to build your own security suite without spending a dime.
Component one: Antivirus
Choose from one of the following free antivirus scanners: Avira AntiVir Personal (recommended) AVG Anti-Virus Free Edition Avast! 4 Home Edition
Component two: Antispyware
Choose from one of the following free antispyware scanners:
Component three: Firewall
Choose from one of the following free firewalls:
Comodo Firewall Pro
PC Tools Firewall Plus
ZoneAlarm Free
Component four:
Choose from any one of the Top 13 Free Spam Filters for Windows recommended by About.com email guide Heinz Tschabitscher.
Component five: Antiphishing Filter
Install the free Netcraft Phishing Toolbar
Component six: Popup Blocker
Newer versions of browsers either come equipped with popup blockers or offer free add-ons. If your browser doesn't offer this, install either the free Google Toolbar or the free Yahoo Toolbar, both of which offer the side benefit of more efficient searching.