Christian Wenz runs Actition GmbH as CEO, working as a consultant and software architect focused on web security. He navigates both open-source and proprietary ecosystems, holding recognition as a Microsoft MVP and serving as the lead author for the Zend PHP certification.
A prolific technical writer, Christian has authored over 100 books. At conferences, he breaks down practical risk mitigation, guiding developers through the OWASP Top Ten for both web applications and APIs to help secure modern tech stacks.
Videos
Bulletproof Web Applications: The 2025 OWASP Top Ten
Christian Wenz · Actition
World Congress Europe · 2026
Bullet-Proof APIs: The OWASP API Security Top Ten
Christian Wenz · Arrabiata Solutions
World Congress · 2025