
Marc Visser
Marc is a seasoned OT security professional with 20 years of experience. His expertise spans vulnerability management, tool implementation, and hardware penetration testing, with a strong capability in conducting risk assessments following the IEC 62443 standard.
Throughout his career, Marc has demonstrated his proficiency in various assignments, including system hardening, asset management, vulnerability monitoring, and providing strategic guidance to business units to resolve and enhance operational issues. Marc is particularly adept at bridging the gap between OT and IT, as well as between technical teams and business
stakeholders.
Marc is known for his open and direct communication style, which, combined with his calm and methodical approach, fosters trust and reliability, as evidenced by his track record. Marc is also committed to continuous learning and eagerly embraces new challenges. Outside of work, he
Marc is known for his open and direct communication style, which, combined with his calm and methodical approach, fosters trust and reliability, as evidenced by his track record. Marc is also committed to continuous learning and eagerly embraces new challenges. Outside of work, he
coaches a handball team in Alkmaar and mentors children in short-track skating, reflecting his passion for coaching and personal development, a role he also fulfills in his professional life by supporting the growth of his colleagues. Besides training in sports Marc also teaches at universities to address the need for well-trained OT Security personnel.