Sort of like the way phreakers take advantage of internal phone company auditing systems...the kind that record your inbound and outbound phone numbers, length of phone calls, and even audio access to your conversations.
What law enforcement needs a court order for the telcos can do with impunity in the name of "internal auditing."
Privacy? It's just an illusion when you're dealing with anything electronic in an unencrypted environ, folks.
Look up "AirSnort" as long as you can sniff the traffic, even if it is encrypted, you can crack it.
Most encryption schemes give you the illusion of privacy. As long as you can record the network traffic, there will be a way found to crack it.