The single best security add-on Rated 5 out of 5 stars

Requires a bit of tweaking and getting used to, and may be a bit too complex for your grandparents, but 5 stars anyways because FF + NoScript is the best thing you can do to help secure your browsing. If everyone used NoScript and a good AV program, a lot of computer repair shops would go out of business. Now that I think about it, it's even worth teaching grandma to use Noscript, saves you time in the long run.Browsing the web without NoScript is like eating things off the sidewalk. Don't do it, kids!

This review is for a previous version of the add-on (