A total of six researchers have found 15 vulnerabilities within the preview version of Internet Explorer 11. And, Microsoft has paid them more than $28,000 to date.
Microsoft for IE 11 in June. The company's goal is to stamp out security vulnerabilities in its software as early on as possible. Microsoft offered researchers up to $11,000 per critical exploit found.
IE 11 is an integral part of Windows 8.1 while at the same time it will most likely be a target for hackers and malware writers. For Microsoft, getting the security vulnerabilities squashed earlier rather than later is its primary motivation.
IE 11 for Windows 8 is with Windows 8.1 on October 18.