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The 10 largest tech IPOs of 2012

Facebook may have been the IPO that people everywhere anticipated and then lamented, but 2012 was largely defined by a series of stellar public debuts by enterprise software markers.

Former McAfee CEO Dave DeWalt takes reins at FireEye

Dave DeWalt — known for his big personality, top-secret government clearance, and work as former chief executive at McAfee — is taking over as chief executive for security company FireEye today. He hopes to lead the company to an IPO quickly.