Suppose an Internet service provider $($ISP$)$ has a voice over IP $($VoIP$)$ telephone system that it manages and sells. Suppose further that this ISP is deliberately dropping $25\%$ of the packets used in its competitors VoIP system when those packets are going through this ISP$$s routers.

With respect to the C$.$I.A$.$ model, what properties of the communication is attacked by this malicious ISP?

Group of answer choices

Authentication

Availability

Confidentiality

Integrity