Mozilla Firefox 4.0 Alpha
According to thousands of reviews and comparison, it is now clear that only Firefox is able to give you the best security while surfing. This is the brand new Alpha version 4.0

Open-source web browser for Windows, Linux and Mac OS X and is based on the Mozilla codebase. It is small, fast and easy to use, and offers many advantages over Internet Explorer, such as the ability to block pop-up windows.