What type of agreement occurs between two entities that need to share data via an interface, focusing on security considerations?

The Interconnection Security Agreement (ISA) is designed specifically for scenarios where two entities need to share data through an interface, with a significant emphasis on security measures to protect that data during transfer and processing. This agreement outlines the specific security controls that each party must implement and maintain to ensure that shared data is kept secure and to define the responsibilities of each entity involved in the data sharing process.

ISAs are critical in contexts where collaboration between organizations requires secure communication and handling of sensitive information. They often address concerns such as data encryption, access controls, monitoring, incident response, and compliance with regulatory requirements, thus ensuring both parties meet their security obligations.

In contrast, alternatives like the Operational Level Agreement tend to focus on the internal operational aspects of service delivery between departments within a single organization, and the Master Service Agreement is more about the general terms of service rather than specific security concerns related to data sharing. Lastly, a Privacy Level Agreement addresses privacy issues but may not comprehensively cover the security protocols necessary for interconnectivity between entities. Therefore, the ISA is the correct choice for addressing security considerations specifically related to data sharing through interfaces.