Justin Somaini is the Chief Information Security Officer at Yahoo! where he's responsible for all aspects of Yahoo!'s Information Security strategy.  With over 15 years of Information Security experience he's seen as a leader in industry by promoting an evolution of the security and risk management models.  Through his public speaking and industry involvement he's given extensive talks and interviews on the threat landscape, public policy, security management and risk management.  Prior to joining Yahoo!, Justin was the CISO at Symantec.  Justin has also held security leadership roles at VeriSign, Charles Schwab and PricewaterhouseCoopers LLP.