François is a Security and Privacy Engineer at Mozilla and member of the W3C web application security working group. During the day, he works to give web developers better tools for securing their websites, and to help users protect themselves online. At night, he contributes to Open Source projects such as Debian and Libravatar and occasionally finds time to write on his technical blog. He lives on the Left Coast and enjoys finding excuses to contribute to OpenStreetMap on his way to work.