Vincent Le Toux is the Head of the CERT team of the ENGIE Group, a French energy utility. He is the CEO of My Smart Logon, a company specialized in smart cards (https://www.mysmartlogon.com) and the author of Ping Castle - an Active Directory security tool (https://www.pingcastle.com). He has also made many open source contributions such as mimikatz, OpenPGP, OpenSC, GIDS applet, etc. Finally, he already did presentations in security events, mainly FIRST and BlueHat.