He is a red teamer, researcher, social engineer, and security consultant with over 15 years of experience in IT and 5 years in OT. His work includes not only audits, consulting, and testing, but also speaking at leading Czech conferences. His main activities in the field of security include penetration testing, social engineering, intelligence gathering, and research into cyberattacks, including those carried out by state-sponsored groups (APTs). His strongest areas are: red teaming with a focus on physical and human aspects, penetration testing of IT/OT environments, social engineering, intelligence gathering (OSINT, HUMINT, SOCINT, etc.).