Ukraine’s cybersecurity community continues to operate under pressure while shaping modern cyber defense. The country’s leaders, researchers, and volunteer groups now influence global security practices as much as they protect national systems. This roundup highlights key figures and organizations that drive Ukraine’s cyber resilience.
Illya Vityuk
Head of the Cybersecurity Department, Security Service of Ukraine
Illya Vityuk oversees national cyber defense operations at the Security Service of Ukraine. His team responds to state-level threats, coordinates counterintelligence efforts, and works with international partners. He is one of the most visible figures in Ukraine’s defensive posture.
Nataliya Tkachuk
Head of Information Security and Cybersecurity Service, NSDC of Ukraine
Nataliya Tkachuk leads strategic policy planning for the National Security and Defense Council. She also serves as Secretary of the National Cybersecurity Coordination Center. Her work focuses on national resilience, critical infrastructure protection, and state cyber readiness.
Oleksandr Potiy
Brigadier General and Deputy Head, SSSCIP
Brigadier General Oleksandr Potiy guides national standards, secure communications, and cyber defense programs across public agencies. He plays a central role in modernizing Ukraine’s digital security capabilities during wartime conditions.
Yury Myronenko
Head, SSSCIP
Appointed in 2023, Yury Myronenko leads the State Service for Special Communications and Information Protection. His focus includes secure government communications, cyber incident response, and coordination across public and private sectors.
Dr. Oleh Polihenko
CISO, Nova Digital and Founder, CISO Club Ukraine
Dr. Oleh Polihenko is a prominent voice in Ukraine’s cybersecurity field. As CISO of Nova Digital, he secures one of the country’s most active logistics and tech ecosystems. He also founded CISO Club Ukraine, which has become a central meeting point for security leaders and policymakers.
Ieva Ilves
Head, CISO Campus
Ieva Ilves brings regional experience from her prior work as an adviser to the President of Latvia on information and digital policy. At CISO Campus, she supports leadership development among security professionals and helps strengthen international cooperation.
Ukraine’s cybersecurity leaders and organizations continue to operate in conditions few countries face. Their work has reshaped incident response, public-private collaboration, and volunteer cyber defense at a global level. These figures and groups will remain central to how the world studies and strengthens national cyber resilience.