A popular free security tool for the Firefox browser has been upgraded to block one of the most dangerous and troubling security problems facing the Web today. NoScript is a small application that integrates into Firefox. It blocks scripts in programming languages such as JavaScript and Java from executing on untrusted Web pages. The scripts could be used to launch an attack on a PC. There are tons of security extensions for Firefox, this article looks at one that helps block dangerous web pages. What is your favorite Firefox security plug-in?

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