Alessandro Guagnelli received a M.Sc. in Computer Engineering from Politecnico di Milano, where he graduated cum laude with a thesis on ransomware detection from the file system point of view, using behavioral techniques only. He applied for the Erasmus project, which allowed him to attend courses from the Cyber Security M.Sc. of Tallinn University Of Technology. He is a security enthusiast, with interest ranging from computer to physical security, including social engineering. As part of the CTF team "Tower of Hanoi", the official team from Politecnico di Milano, he participated in several CTFs, focusing on binary exploitation. He is currently employed as Security Engineer for Secure Network.