Joffrey Czarny (@_Sn0rkY) is a security researcher and technical lead of redteam activities at Airbus, VoIP hacker, Ambassador of Happiness and Healthy Living. Since 2001, he is a pentester who has released advisories on VoIP Cisco products and spoken at various security-focused conferences (Hack.lu, hardwear.io, TROOPERS, Hacktivity, HITB, SSTIC, Black Hat Arsenal).