CISO/DPO, Kyivstar
Tetiana joined Kyivstar in 2022 as Head of Projects and Programs within the Cybersecurity Department of the Technical Directorate. In February 2024, she assumed leadership of the company's Cybersecurity Department.
Tetiana brings over 15 years of experience in cybersecurity, IT management, and IT audit. She possesses deep expertise in designing, implementing, managing, and supporting IT infrastructure, information systems, cybersecurity systems, and workplace infrastructure. She has extensive experience in IT business consulting, digital transformation, and business process optimization. Tetiana is a Certified Information Systems Auditor (CISA).
As CISO of Kyivstar, Tetiana has led a large-scale program to enhance the company's cyber resilience and minimize cybersecurity risks. Key initiatives include comprehensive IT infrastructure modernization, implementation of new security policies, an access management model and multi-factor authentication, expanded network visibility and segmentation. Under her leadership, Kyivstar has adopted international cybersecurity best practices, including Zero Trust principles.
About Kyivstar: PJSC Kyivstar is Ukraine's leading electronic communications operator, serving approximately 22.5 million mobile subscribers and over 1.2 million fixed-line subscribers as of September 30, 2025. The company provides services using a wide range of mobile and fixed technologies, including 4G, Big Data, cloud solutions, cybersecurity services, and digital television. PJSC Kyivstar is developing new telecommunications technologies in Ukraine and, together with VEON, plans to invest $1 billion USD in this area from 2023 to 2027. PJSC Kyivstar is a subsidiary of Kyivstar Group Ltd (Nasdaq: KYIV; KYIVW) — the first Ukrainian company whose shares trade on the Nasdaq stock exchange. The company is helping Ukraine overcome wartime challenges and has directed over UAH 3.4 billion over the past three years to support the Defense Forces, subscribers, and social projects. PJSC Kyivstar has been operating in Ukraine for 27 years and is recognized as the largest taxpayer in the electronic communications market, a top employer, and a socially responsible company.