CredSSP
CredSSP, or Credential Security Support Provider, is a Microsoft security protocol. It is a security support provider that supports the Credential Security Support Provider interface. CredSSP allows an application to delegate user credentials from the client to the remote server. This is particularly useful for Remote Desktop Services (RDS) and other remote administration tasks where the user needs to authenticate to a server using their own credentials, but the connection itself is established through an intermediary.
The primary function of CredSSP is to securely transmit the user's credentials from the client machine to
CredSSP is implemented as a Security Support Provider (SSP) and is integrated into the Windows operating system.