Mike Walker joined DARPA as a program manager in January 2013. His research interests include machine reasoning about software in situ and the automation of application security lifecycles.

Prior to joining DARPA, Mr. Walker worked in industry as a security software developer, Red Team analyst, enterprise security architect and research lab leader. As part of the Computer Science Corporation "Strikeforce" Red Team, Mr. Walker helped develop the HEAT Vulnerability Scanner and performed Red Team engagements. Serving as a principal at the Intrepidus Group, Mr. Walker worked on Red Teams that tested America's financial and energy infrastructure for security weaknesses. Also, on the DARPA SAFER Red Team, Mr. Walker discovered flaws in prototype communications technologies.

Mr. Walker has participated in various roles in numerous applied computer security competitions. He contributed challenges to DEF CON Capture the Flag (CTF) and competed on and led CTF teams at the highest levels of international competition. Mr. Walker was formerly a mentor of the Computer Security Competition Club at Thomas Jefferson High School for Science and Technology (TJHSST).