Career
He writes one of the most popular security blogs and also a podcast called the Network Security Podcast. He is a Qualified Security Assessor. In 2006, he started blogging for Computer World.
He was a product evangelist for StillSecure.
He has been a speaker at many conferences including Hacker Halted, Republic of South Africa Conference and DEF CON. He is an advocate of the Payment Card Industry Data Security Standard.