Art Rebultan has more than 18 years of experience combined as an IT and OT professional with a background in PCI-DSS audit management, Unix/Linux security and systems administration, R&D, VAPT, TVM, Risk Management, Counterintelligence, and currently leading the global Digital Forensics and Incident Response program in an AIoT/IIoT/ICS/OT/Edge Computing company. Holding a master's degree in IT with a concentration in E-Commerce security. He has also a professional graduate diploma in Digital Forensics and Cyber Security as continuing education. Specializing in Computer Forensics, Network Intrusion, Data Breach, Cybercrime Investigation, Malware Analysis, and Reverse Engineering. Security blogger and vlogger as past time hobby and uncovered 7 zero-day malware. Krav Maga practitioner, Judoka, and a license level 2 Freediver.