MARK RUSSINOVICH is a Technical Fellow at Microsoft, the company's highest technical rank. He was a cofounder of Winternals, which was acquired by Microsoft in 2006. He is the author of the novels Zero Day and Trojan Horse, as well as the popular Sysinternals tools. He is also a contributing editor for TechNet Magazine and a senior contributing editor for Windows IT Pro Magazine. He resides in the state of Washington.