Internet Explorer users were exposed to active attacks against unpatched, critical vulnerabilities for months at a time over the past year and a half. Trend Micros Rik Ferguson says all browsers are similarly dogged by flaws, and switching offers no additional security benefits. Microsoft’s Internet Explorer has been trending gradually down for the past five years and 2011 saw only 45 new vulnerabilities, less than any other browser except Apple’s Safari, which also had 45. Of the big three the statistics favour Internet Explorer.”]
Source: https://krebsonsecurity.com/2012/10/in-a-zero-day-world-its-active-attacks-that-matter/