Network sniffing is the act of observing communications on the network in either a passive or an active mode. With sniffing, you can see what is being transmitted unprotected on the network and potentially intercept sensitive information. Attackers use sniffers to compromise the confidentiality of data as it flows across a network.

Discuss the following question(s):

In a university environment, what ethical concerns might exist for administrators when sniffing traffic?

Should you encrypt all network traffic to protect against unauthorized network sniffing? Why or why not?