Bitdefender Internet Security - Version 17.13.0 Bitdefender Internet Security is the acknowledged Antivirus of the Year. With a non-intrusive and extremely fast scanning technology, it offers enhanced silent security against e-threats. Superior security for all your data Extremely fast. Non-intrusive. With Bitdefender Photon™ Guards your online transactions. Protects your digital identity. Reveals your kids' online activities. Restricts them when necessary. Protects your Internet connection with its firewall