Rated 5 out of 5 stars

While not built for newbies, NS is probably the best addon out there to prevent exploit kits and other badware to target your browser as a point of infection.(Newbies can still use it, they just probably need to use it in globally allowed mode, although they receive the other protections like XSS, clickjacking protection, external filters and the ABE module, which can do everything from protecting your network, blocking ads and malicious domains (and probably feed the cat, do the laundry and more))

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