Do merchants need to phase out early TLS on their shopper-facing websites too? Yes. You must do so before the end of the grace period that ends on June 30, 2018. For more information contact Support. Submit a request Articles in this section How do I report a possible security issue to Adyen? Why do I have to validate PCI DSS compliance if Adyen is already PCI DSS compliant? How can we monitor Adyen’s PCI DSS compliance status? What version(s) of TLS does Adyen support? Do merchants need to phase out early TLS on their shopper-facing websites too? What can I do to encourage upgrades of shopper browsers in order to support TLS?