Interconnection Security Agreement (ISA):
Purpose: An ISA specifically outlines the technical and security requirements for establishing, operating, and maintaining the interconnection between the IT systems of the two entities.
Security Controls: It ensures that both parties agree on the security controls, measures, and protocols that need to be in place to protect the data and maintain secure communication over the VPN.
Roles and Responsibilities: It defines the roles and responsibilities of both parties concerning the management and protection of the interconnection, including incident response, monitoring, and auditin