Ivan Ristic is a respected security expert and author, known especially for his contribution to the web application firewall field and the development of ModSecurity, an open source web application firewall. He is also the author of Apache Security, a comprehensive security guide for the Apache web server, and ModSecurity Handbook. He founded SSL Labs, a research effort focused on the analysis of the real-life usage of SSL and the related technologies. A frequent speaker at computer security conferences, Ivan is a member of the Open Web Application Security Project (OWASP), and an officer of the Web Application Security Consortium (WASC).