Which term best defines unauthorized access to systems or data? a. Exposure b. Authentication c. Access Control d. Session timeout

The term that best defines unauthorized access to systems or data is **a. Exposure**. However, in a more specific context, unauthorized access can also be described using terms related to security breaches, but from the given options, "exposure" is the closest fit. - **Authentication** refers to verifying the identity of a user or system. - **Access Control** pertains to the policies that restrict who can access certain resources. - **Session timeout** relates to the automatic disconnection of a user after a period of inactivity. If you need a term that specifically relates to the act of unauthorized access itself, typically "breach" or "intrusion" would be used, but those options were not provided here.