ORHAN YILDIRIM

Orhan Yıldırım is a cybersecurity leader specializing in offensive security and AI-driven security research. He has held senior leadership positions at some of the world's leading financial institutions, directing offensive security strategy and penetration testing operations in highly regulated environments where security, compliance, and operational resilience are held to the most demanding standards.

Over more than a decade in the field, he has taken part in thousands of penetration testing engagements, including for many Fortune 100 companies, and has played key roles in building and advancing enterprise cybersecurity programs. He also contributes to security research and validation programs through platforms such as Cobalt, HackerOne, and Bugcrowd. His current work centers on Offensive AI and Agentic AI security, connecting proven penetration testing methodology with autonomous and semi-autonomous AI agents and examining how AI-driven attack techniques reshape both offense and defense.

He is the author of Offensive Security with Agentic AI (Packt) and the creator of open-source security tooling in the agentic AI space. Based in the Washington, D.C. area, he shares his research through his personal website, Medium, and industry publications.