Microsoft also quoted a study from NSS Labs that Internet Explorer 8 is much safer than Firefox 3 and Safari 4, as well as Google Chrome.
Internet Explorer 6 is the default browser in Windows XP. (The power of being the default app/setting.)
UserAgent: Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10.6; en-US; rv:1.9.1.9) Gecko/20100315 Firefox/3.5.9

