Vincent Le Toux is working in a French utility at the edge of management & blue team. He is the author of Ping Castle, an Active Directory security tool. He has also made many open source contributions in projects such as mimikatz, OpenPGP, OpenSC, GIDS applet, etc. Finally, he already did presentations in security events, mainly FIRST, BlueHat, BlackHat, Troopers and Hack In Paris