Contributing Editor, WiredKevin Poulsen is an award-winning journalist and a Contributing Editor at WIRED magazine. A one-time hacker, Poulsen was prosecuted in 1991 for using his illicit access to telephone company systems to cheat at radio station phone-in contests. He began writing in 1997 and served as editor of SecurityFocus before joining Wired, where he founded the Threat Levelblog. He worked with the late Aaron Swartz to design and develop SecureDrop, an open-source software platform for secure communication between journalists and sources. He is the author of “Kingpin—How One Hacker Took Over the Billion-Dollar Cybercrime Underground” (Crown, 2010).