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Alejandro Guillem Rogina is an experienced cybersecurity professional currently serving as a Security Analyst at S21sec since July 2018, specializing in cyber security analysis, monitoring IPS, and vulnerability management. Additionally, Alejandro has been an Operator in Cybersecurity at GoNetFPI since April 2017, focusing on managing cases of spam, phishing, and malware. Previous roles include support technician at BQ, telecommunications technician at Ericsson, and systems administrator at Kunzer Internacional, among others. Alejandro holds a superior degree in Computer Systems Administration from Escuela Superior Informatica de Las Rozas and has pursued further education in ethical hacking and networking.