Which measure assures that valuable information is not left out available for the taking?

A.
Clear desk policy

B.
Infra-red detection

C.
Access passes

Explanation:
Examples of confidentiality measures are:
– Employees take measures to ensure that information does not find its way to those people who do not need it. They ensure, for example, that no confidential documents are lying on their desk while they are away (clear desk policy).