Guillaume Lopes is a pentester with 10 years of experience in different fields (Active Directory, Windows, Linux, Web applications, Wifi, Android). Currently working as a Senior Penetration Tester at RandoriSec and also member of the Checkmarx Application Security Research Team. He also likes to play CTF (Hackthebox, Insomni’hack, Nuit du Hack, BSides Lisbon, etc.) and gives a hand to the Tipi’hack team.