Today's PHP security tip is short, sweet and easily actionable. It fits in well with the theme of the last one, to stay vigilant. Here's another resource for you to consider: If you are not already subscribed, you should subscribe to the Security Focus newsletter.

He links to their signup page and points out the most useful of their offerings - the BugTraq list.

BugTraq is a full disclosure moderated mailing list for the detailed discussion and announcement of computer security vulnerabilities: what they are, how to exploit them, and how to fix them.