Sebastien Deleersnyder is a cofounder and managing partner of Toreon, providing professional ICT security services to customers in Belgium and abroad. As security project leader and information security officer, he’s built up extensive experience in information security-related disciplines, both at strategic and tactical levels. He specializes inapplication security, combining his software development and information security experience. He’s performed several successful secure development lifecycle projects in the financial and utility sectors, started up software security groups, supported customers in selecting and implementing web application firewalls (WAF), delivered web application security training, and closed a lot of audit findings regarding application security. Sebastien started the Belgian Open Web Application Security Project (OWASP) as chapter leader, was a member of the OWASP foundation board, and performed several public presentations on web applications and web services security.