
A complete PCI compliance checklist covering all 12 PCI DSS requirements, v4.0 changes that became mandatory in March 2025, and how tokenization and outsourcing can reduce your compliance scope by 93%.

Credit card vaulting replaces stored card data with tokens, reducing PCI scope and breach risk. Here’s what it actually costs to run your own vault versus outsourcing, and how to evaluate the build-vs-buy decision.