PCI Requirement 4.2 – Never Send Unprotected PAN by End-User Technologies
If there are situations within your organization when you need to send or receive emails that contain sensitive cardholder data information like Primary Account Numbers (PAN), that is acceptable as long as you’re in compliance with PCI Requirement 4.2. It states, “Never send unprotected PANs by end-user messaging technologies.” This includes through email, instant messaging, chat systems, SMS, etc. The purpose of PCI Requirement 4.2 is to protect sensitive information…