Given the amount of malicious sites on the Web, it always helps to get an outside opinion on whether its a good idea to browse certain sites. This isnt fool-proof, as new malicious sites are created frequently and otherwise legitimate sites can be compromised. Still, by using McAfee SiteAdvisor, users can get a sense of whether what theyre about to go to is a known malicious site.
4AVG for Free
AVG Technologies is known for offering a free version of its antivirus software. However, the company also offers free versions of AVG LinkScanner for Windows and Mac to help sniff out malicious sites. In addition, AVG recently moved to buy DroidSecurity, which offers free antivirus software for mobile devices running Google Android.
5When Pandas Attack
6Clean Up Your PC
7Guarding the Browser
Avasts free software includes protection against spyware and viruses. The freeware version of its software is available for Windows and Linux users.