Via Threatpost: How to Configure Mozilla Firefox for Secure Surfing

Excellent recommendations for configuring Firefox. One exception, take note of one of the Comments about the downside of clearing site preferences as this will blow away the cookies containing all of the choices you made to set preferences on your favorite sites.

In addition, I recommend the Adblock Plus plug-in. It’s had 94 million downloads and over 2,000 reviews averaging the maximum 5 star rating.