3-D Secure Directory Server by Entersekt is a core component of an EMV 3-D Secure (3DS) ecosystem, connecting issuers and merchants. Entersekt Directory Server implements 3DS protocol versions 2.1 and 2.2, allowing payment card schemes to offer EMV 3-D Secure to their issuing and acquiring members. It can be configured to fit various needs and has been implemented for numerous global and local payment card schemes' program rules. The Directory Server supports multiple card schemes via one Directory Server, allowing configurations to meet the requirements of both brands. It includes DS Manager, a web-based management console that provides configuration and administration functionality, transaction details, reports, and metrics. Entersekt Directory Server can be deployed as a hosted or on-premise solution.