Martijn started using a computer since he was 5 years old and created his first virus when he was only 9 years old. He has been working in cybersecurity for several years now. Currently employed as Cybersecurity Analyst in the RED-Team of the SOC of the Dutch Tax Office, Martijn is focusing on RED-Teaming, Threat Hunting, ethical hacking and other such activities. He is also responsible for the OSINT sub-team within the SOC, because of his great passion for OSINT. Martijn is also a member of other different working groups, such as the J-SOC RED Team and Anti-DDoS Coalition (NoMoreDDoS) and responsible for creating the plan of attack for the national DDoS test twice a year. In his spare time, he likes spending time on NFC/RFID hacking, participating in CTFs, hanging around on hackers forums, messing around with the Flipper Zero and using various other hacking tools.