Guardian is operated as a PCI DSS Level 1 certified service. When you route card data through it, that data lives entirely within Hellgate's certified cardholder data environment rather than your own infrastructure, so you can significantly reduce your PCI scope and often qualify for lighter self-assessment questionnaires (SAQ A or SAQ A-EP).

Guardian also supports v4.0 requirements such as customised implementation of multi-factor authentication and encrypted data transmission.

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