Esraa Alziadat is a dedicated Cyber Security Engineer with deep expertise in cryptography, OSINT (Open Source Intelligence), and digital security. She has hands-on experience in analyzing and securing digital infrastructure, identifying vulnerabilities, and applying advanced encryption techniques to protect sensitive data. Esraa is passionate about sharing her knowledge and currently teaches a specialized cryptography course on the CYS Tech platform, where she breaks down complex security concepts into clear, practical lessons that empower learners to defend against real-world threats.