TR Dojo: Firefox extension vulnerabilities and malware Bill Detwiler highlights research from security experts who say Firefox extensions can be exploited to install malware. Once you’ve watched this TR Dojo video, you can find a link to the original TechRepublic article and print the tip from our <a href="http://blogs.techrepublic.com.com/itdojo/?p=1662">TR Dojo Blog</a>.