A is a person or an organization that seeks to obtain or alter data or other IS assets illegally, without the owner's permission and often without the owner's knowledge. A is a person or an organization that seeks to obtain or alter data or other IS assets illegally, without the owner's permission and often without the owner's knowledge.

Looks like you have posted the same question twice. So, I will answer it once only.

A threat is a person or an organization that seeks to obtain or alter data or other IS assets illegally, without the owner's permission and often without the owner's knowledge.

Explanation:

Threat is the correct option for filling the blank because in computer security, a threat is someone who intercepts your information, steals it or changes it without you knowing. Hence, the right option here is threat.  

your answer is confidentiality