Razvan-Costin Ionescu is the Head of Offensive Security Services and a Penetration Tester at PentestTools, with over a decade of expertise in ethical hacking and application security. Ionescu has worked across various industries to identify vulnerabilities in web applications, APIs, and AI systems, emphasizing business-impacting flaws that are often overlooked. They hold the GIAC Security Expert certification (#298) and lead offensive security engagements while translating complex technical findings into actionable insights for development and security teams. Ionescu has also gained extensive experience as a Security Engineer at Fitbit, a Senior Software Engineer at Intel, and a Senior Advisor at EY, among other roles. Additionally, Ionescu holds a Master of Science in Network Security from the University "POLITEHNICA" of Bucharest and a B.Sc. in Computer Science from Technische Universität Chemnitz.
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