What should be established when limiting invasiveness based on scope during testing?

When conducting penetration tests, it is crucial to establish the acceptable actions that can be taken during the test. This ensures that all parties involved have a clear understanding of what is permissible within the defined scope. By detailing these actions, the testing team can effectively limit invasiveness and avoid unintended disruption to systems or services.

Establishing acceptable actions also helps in mitigating risks associated with the testing process, such as data loss or service outages. It provides a framework for the testers, allowing them to operate confidently within boundaries agreed upon with the client. This is particularly important in maintaining a strong professional relationship and ensuring compliance with legal and regulatory requirements.

While determining the specific timeframe for the test, the types of reports generated, and the number of clients involved are also significant components of planning, they do not directly address the critical aspect of controlling the intrusiveness of the testing process. Therefore, focusing on acceptable actions is essential for responsible and ethical penetration testing.