Systems and methods for automating security controls between computer networks

A security control (SC) system including one or more security control (SC) computing devices for automating security controls between computer networks is provided. The SC system is configured to receive a request to access a service including a system identifier that identifies a computer system requesting access to a service controlled by the one or more SC computing devices, build a token request based on the request, and correlate the token request to at least one security policy associated with the system identifier. The SC system is also configured to generate an access token in response to the token request, wherein the access token is included in an authorization request, and invoke the service using the authorization request. The SC system is further configured to validate the access token using the at least one security policy and authorize access to the service based on the at least one security policy.