Yurii Sanin is a senior security consultant with K2 Integrity/Leviathan Security Group. A member of the firm’s Technical Services team, Yurii specializes in white- and black-box penetration testing and delivers security assessments across web, API, cloud, and mobile applications. His work includes in-depth source code reviews, architecture analysis, and security research and development (R&D), with a particular focus on embedding security practices into the software development lifecycle and leading R&D on the security of web, API, and cloud-based systems in commercial settings.
Before joining K2 Integrity/Leviathan Security Group, Yurii worked as a software developer, designing and reviewing robust software solutions and developing a strong foundation in secure coding practices. He actively participated in hackathons and capture-the-flag competitions and contributed to security research initiatives. Yurii is a regular contributor to industry dialogue and has published several technical reports and vulnerability disclosures, including work on server-side SVG rasterization, SAML response takeover, account takeover through query injection, and remote code execution vulnerabilities.
Yurii holds an M.S. in computer sciences and a B.A. in information technologies from the National Aerospace University’s Kharkiv Aviation Institute.