Vasileios (Vasilis) Kemerlis is a PhD candidate in the Department of Computer Science at Columbia University. His research interests are in the areas of systems and network security, with a focus on automated software hardening and information flow tracking. Currently, he works on kernel exploitation and defense. Vasilis holds a M.Phil (2013) and MS (2010) in Computer Science from Columbia University, and a BS (2006) in Computer Science from Athens University of Economics and Business.