Guillaume Lopes ([@Guillaume\_Lopes](https://twitter.com/@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 he is also a member of the Checkmarx Application Security Research Team. He likes to play CTF (Hackthebox, Insomni'hack, Nuit du Hack, BSides Lisbon, etc.) and gives a hand to the Tipi'hack team.