Cory Duplantis is a senior security engineer at Praetorian and plays on Samurai for capture the flag competitions. Being happily married to his high school sweetheart, CTFs, tool development, and singing barbershop take up the majority of his time. He actively contributes CTF writeups back to the community and was recently awarded the Best Technical Writeup for the SANS HolidayHack 2015 challenge.