An anonymous reader writes: I'm an average guy looking for some basic advice on how to best ensure my security and privacy online. There's so much contradictory information out there, and always the niggling worry that actions will make things worse than they already are, and I find myself feeling like I need a Comp Sci degree just to log into google securely. So, simply, what are your top tips for ensuring basic security online for an average guy. Browser choice? Settings? Add-ons? What nefarious vulnerabilities exist that I wouldn't even think to be worried about (facebook cookies? Some sort of cross-browser data leaking?).