Wu Shi, a security researcher in Shanghai, has become one of the world's top browser bug hunters. If tough love is the best way to fix the world's software, then Wu Shi may be one of the information security industry's unsung heroes.
Since 2007 the 35-year-old Shanghai-based researcher has found and reported more than 100 critical flaws in Web browsers like Internet Explorer, Safari and Chrome that could be used to hijack users' computers when they browse to an infected Web page. In the last year alone he's sold more than 50 of those flaws to vulnerability bounty projects like Zero Day Initiative and iDefense, organizations at Hewlett-Packard and VeriSign, respectively, that pay researchers for bug information and use the data in security products before passing it on to affected software vendors.

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