Cyber criminals know that Web browsers are like mothers: everybody s got one. Web based attacks are one of the most popular kind of compromise and online. The good news is that most modern Web browsers already come equipped with security features that can block most malicious content. The bad news? Lots of folks out there are running the browser equivalent of a 1976 Chevy Nova. Internet Explorer 6, notoriously insecure, is still the choice of almost a quarter of enterprise users according to data from ZScaler.
Source: https://threatpost.com/2-set-web-browsers-to-stun/91770/