Alex Stamos is the CISO of Yahoo. He was the co-founder of iSEC Partners and founder of Artemis Internet, two companies that continue to make the Internet a safer place. Alex has spent his career building or improving secure, trustworthy systems, and is a noted expert in Internet infrastructure, cloud computing and mobile security. He is a frequently request speaker at conferences such as Black Hat, DEF CON, Amazon ZonCon, Microsoft Blue Hat, FS-ISAC and Infragard. He holds a BSEE from the University of California, Berkeley and his personal security writings are available at http://unhandled.com.