The Pwn2Own contest at the CanSecWest Conference showed off the speed with which security professionals can code exploits for known vulnerabilities. Only two teams competed, it took them less than a day to create a workable exploit for each vulnerability selected by HP TippingPoint. The speed that vulnerabilities could be exploited holds a lesson, security expert says. While patching is an important security task, companies are overwhelmed by the deluge of vulnerabilities that they have to track on a regular basis, he says.”]
Source: https://www.darkreading.com/application-security/lesson-from-pwn2own-focus-on-exploitability