In part 1 of this series, I detailed issues around PCI and message queuing. In part 2 we got into the nitty-gritty of how to ensure PCI DSS compliance when dealing with message queues. The PCI SSC recommends NIST Special Publication 800-88, Guidelines for Media Sanitization. In-scope PCs and servers, be aware of any possible store and forward scenario where cardholder or sensitive authentication data can be temporarily written to a file or database.”]