Bart Vrancken is a Cyber Security Specialist at NCSC-NL. As a member of the Computer Emergency Response Team (CERT) of the Dutch central government, he is responsible for operational coordination in case of major ICT crisis, ICT threats and cyber security incidents. In his spare time, Bart has written the base of the open source AbuseIO system for abuse management and communication and build a large IoT network covering his home town.