A hacker has embedded a Trojan horse program on corporate machines that will trigger on April Fools Day, overwhelming the network with spam messages. What security principle will this circumstance violate?

A.
Confidentiality

B.
Integrity

C.
Availability

D.
All of these

Explanation:
When the network is overwhelmed, no one will be able to access desired
information. As data will be unavailable, the principle being violated is
availability.