Firefox: Ranked Number 1 and CNET Editors' Choice
Ranked Number 1 and Editors' Choice - Firefox [CNET rating of 8]
... Rapidly forcing IE from desktop dominance is Mozilla Firefox. This open-source browser receives our highest rating, in part because it includes tabbed browsing and RSS feeds, is very easy to use, and is well supported with a variety of third-party plug-ins. Firefox's popularity has recently helped unearth a few vulnerabilities, but we've been impressed with the speed and forthrightness with which Mozilla has patched its browser. In short, we just don't feel as vulnerable surfing the Web with Firefox...
source : CNET Reviews
Yes. If you need protection , greater privacy and speed while browsing, I highly recommend you Mozilla Firefox, it's a browser you can always trust. :)