Question

a is an action, device, procedure, or technique that reduces a threat, a vulnerability, or an attack by eliminating or preventing it, by minimizing the harm it can cause, or by discovering and reporting it so that corrective action can be taken.

Explanation:

The description fits the concept of a security - related control. In the context of computer science and information security, such actions, devices, etc. are called countermeasures. They are used to deal with threats, vulnerabilities, and attacks in various ways as described.

Answer:

Countermeasure