Protects against virsuses, worms, hackers, and botnets. Safeguards against online identity theft. Protects important files. Keeps your PC tuned and running at peak performance. Overview. Norton 360 Version 3.0 offers proven performance, delivering today's fastest and lightest all-in-one solution for protecting your PC and all your online activities. It protects against viruses, worms, hackers, and botnets, safeguards against online identity theft, protects important files, and keeps your PC tuned and running at peak performance. Completely automated and easy to use, Norton 360 works quietly in the background, with virtually no impact on PC performance, to provide comprehensive protection for everything computer users care about. By offering an unmatched combination of performance and protection, it helps you get the most out of your PC and your online experience.