Richard Thomas author of the "Solar Shorts" series has branched out from just talking about the framework and has a new short article posted about security in PHP applications in general.

A search for the phrase "secure php" on Google returns a ton of results but scanning through the first couple pages of results it becomes clear that when you talk about security and PHP people tend to focus on 2 things, the code and PHP itself.

He talks about what should be considered when it comes to PHP applications security, some of the software tools you can use and a few questions to ask yourself to help you get your site along the path to being more secure (like asking about temporary folders, excess packages or firewalls that may or may not be active).