There have been a number of occasions when there is a Mac introduced into a freelance type of environment where the Mac has Internet Sharing enabled and using the Internet Sharing feature ends up causing issues on the network due to the DHCP server that is enabled as a part of Internet Sharing. Rogue Access Point detection is one solution that can help to mitigate this risk. D-Link and a number of other vendors have solutions that can be enabled on their switches that disable this type of activity.
