Final answer:
Risk is the remaining term when a safeguard or countermeasure is not present or is insufficient.
Step-by-step explanation:
When a safeguard or a countermeasure is not present or is not sufficient, the remaining term is Risk. Risk refers to the potential for a loss, harm, or negative event to occur due to a vulnerability or exposure. In the context of computer and technology security, a risk is present when there is a possibility of unauthorized access, data breach, or system failure.