In the November edition of his monthly Security Corner column, Eric Mann covers the PCI standard.  He explores how it applies to various web applications, and the steps developers can take to keep their systems secure:

Good developers strive for a high level of security within their applications. When these applications deal with payment information, the scope of security concerns grows dramatically. Several credit card companies have gathered together to standardize a set of guidelines applications should follow to better protect customers’ payment information from theft and abuse, PCI DSS.

Read the entire article in the November issue of php[architect] magazine. The online edition is free this November.