[Update: 4th Feb 2014 - Firefox 27 enables TLS 1.1 and 1.2 by default now]
If you think your web browser is secure, think again. If you run over to How's My SSL?, you will get a quick summary of what your browser looks like to the outside world.
Even if you keep up with the current release version, you'll be surprised to find your browser will probably get the following report:
Your SSL client is Bad.
Why? Because the latest security features in your browser includes may be installed disabled.