Five years ago I started this blog to keep my then supervisor up to date on my academic progress. It's interesting that at the same time five years ago Facebook was launched, and I think the last five years have been particularly interesting for computer security, and it's been fun. I've also grown a lot over the years, and it's funny to read my early entries with hindsight.

I've never had a massive readership except for the odd case of big blogs linking to me (SANS, F-Secure and Washington Post were my most memorable). Although, the feedback I've received over the years has really helped to refine some of my stances and ideas, and hopefully a few of yours dear reader. For example Ben Nagy once scared me into a whole new tack leading from this to this. Last year was particularly fun with Roberto Preatoni and Dan Kaminsky both getting involved in some discussion. It also marked a return to more active blogging for me, after a drop off in the move from academia to consulting. I hope to keep it up.

To my regular readers, thanks for reading, to any new readers welcome. My goal has always been to encourage debate and discussion, so if you've never argued with me before  but always wanted to, know that I welcome the chance.