Email Confidential Clause How Ease With Which It Might Be Possible To Sniff Confidential Email From A Network Cable?

How ease with which it might be possible to sniff confidential email from a network cable? - email confidential clause

For the PC, an investigation on a LAN connected PC, whether in their natural state in your school or workplace. Comments on the ease with which it is possible to sniff a cable confidential e-mail to the network. Compare and possible measures to reduce the risk of occurrence of this type.