To thrive as a Product Security Engineer, you need strong knowledge of application security principles, software development, threat modeling, and vulnerability management, often supported by a degree in computer science or a related field. Familiarity with tools like static/dynamic code analysis tools, penetration testing frameworks, and certifications such as CISSP, CEH, or OSCP is common. Excellent problem-solving abilities, attention to detail, and strong communication skills help navigate complex projects and collaborate across teams. These abilities ensure the security and reliability of products throughout the development lifecycle, protecting both users and organizations from evolving threats.