Educators: All education professionals and paraprofessionals working in participating schools (as defined in this document), including principals or other heads of a school, teachers, other professional instructional staff (e.g. staff involved in curriculum development, staff development, or operating library, media and computer centers), pupil ...
1. BitDefender Antivirus Free Edition. Discreet but effective, BitDefender is the best free software for protecting your PC from malware. BitDefender Antivirus Free Edition is the strong, silent type.
Also, though Norton's detection rate is very good, it isn't the best: Avira's Premium Security Suite took top honors again this year in identifying both known and unknown malware. What's more, you'll have to pay for the best. At $70 for three PCs, Norton was the second-most-costly suite we tested; only Kaspersky Internet Security 2009 cost more, at $80 for three users. If you want the best all-around security, buy the Norton suite.