Jeffrey Jones, a researcher and the Security Strategy Director at Microsoft’s Trustworthy Computing group, recently posted a report (PDF format) that was featured in the CSO online magazine. The report compared the security track records of both Internet Explorer and Firefox, including both older (IE 6 and Firefox 1.0) and newer (IE 7, Firefox 1.5 and 2.0) versions. Jones came to the conclusion that, contrary to popular belief, Internet Explorer has experienced fewer security vulnerabilities than Firefox over the same periods of time.

Now, I can already hear some of you anxiously mashing the "Reply" button in order to point out that Jones' position as an employee of Microsoft has biased his results and thus they cannot be taken at face value. And Mozilla chief evangelist Mike Shaver has some serious problems with Jones' methodology; more on that below.

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