However, this only helps if you're a typical desktop user whose primary threat is a random virus or other malware attack. If you're like Google, on the other h

However, this only helps if you're a typical desktop user whose primary threat is a random virus or other malware attack. If you're like Google, on the other hand, you have to worry about highly developed targeted attacks -- to stretch the analogy, a large bear that has specifically picked you out of the crowd. When that's the case, all the random scattershot viruses in the world become irrelevant, and your platform's inherent security mechanisms and development practices are the only things that matter.