BitDefender Professional Plus - Version 8 Much more than an AntiVirus product, BitDefender 8 Professional Plus ensures unmatched antivirus protection as well as data confidentiality, active content control and Internet filtering. The Professional Edition of BitDefender protects users data on all levels, both in an office environment and at home. BitDefender Professional is an ICSA Labs, Virus Bulletin, Checkmark, TUV, and Checkvir certified solution.