CyberArk Client Certificate

Old post, @sachishekar Did you find what you are looking for?

CyberArk CCP (Central Credential Provider Web Service) Integration as described in the following document that you took your screenshot from is configuring authentication using a Client Certificate used to validate the authenticity of the connecting User/Service, the Serial Number comes from the Client Certificate being used.

https://docs.cyberark.com/Product-Doc/OnlineHelp/AAM-CP/Latest/en/Content/CP%20and%20ASCP/Application-Authentication-Methods-general.htm#!#ClientCert

Alternatively you can install the CyberArk AAM (Application Access Manager) on your Orchestrator node and integrate with CyberArk that way as documented in