“Freedom is a heavy load, a great and strange burden for the spirit to undertake. It is not easy. It is not a gift given, but a choice made, and the choice may be a hard one. The road goes upward towards the light; but the laden traveler may never reach the end of it.” · URSULA K. LE GUIN
My OSCON tutorial, PHP Security, was a big hit. The workbook for the tutorial is likely the most complete source of PHP security information and best practices available (until my book, PHP Security, is published).