How is "risk" defined in the context of information technology and information security?

A risk is a potential compromise of a computer system, an account, a file, or another online resource.

A risk is a potential compromise of a computer system, an account, a file, or another online resource and would most likely be perpetrated by a malicious attacker.

A risk is a security breach of a computer system, an account, a file, or another online resource but would never be the result of an accidental action by a user.

A risk is a security breach of a computer system or unauthorized access to an online account, file, or other resource.