In 1992 continued at the University of Bradford on a PhD based on
the internet control of a Robotic Telescope.
Initially using an interactive gopher server, but switching to the NCSA web server
in October 1993, and then Apache.
In April 1995 joined the core development team of Apache, finding and fixing
security issues and writing modules such as mod_status. I became a founding
member of the Apache Software Foundation, and since 2006, chair of the ASF Security Team.
In 1997 founded C2Net Europe, designing and
developing Stronghold, a secure
web server based on Apache, and building up a small team as Managing Director. Contributed
to various open source projects including mod_ssl and became
a founding member of the OpenSSL project.
In 2000 C2Net merged with Red Hat and I founded the Red Hat Product Security
team. Since 2002 I have been an editorial board member of the Mitre CVE project.
I'm an Open Source evangelist and Maker, working at
Red Hat to
improve software security.