Which of the following best describes Vulnerability?

Which of the following best describes Vulnerability?

A.
The loss potential of a threat

B.
An action or event that might prejudice security

C.
An agent that could take advantage of a weakness

D.
A weakness or error that can lead to compromise

Explanation:
A vulnerability is a flaw or weakness in system security procedures, design or implementation that could be exercised (accidentally triggered or intentionally exploited) and result in a harm to an IT system or activity.