This is of concern when on public wireless networks, or public local area networks.
In Adium, go to [cci]File – Facebook – Edit account – Privacy[/cci] tab then change Encryption to “Encrypt Chats Automatically”
Sadly, as this is a step forward it’s still not a solution. If and when you have Facebook open, either in a current session or by starting one your chat’s will be populated with your Adium activity – thus reversing the “encryption”
So, to prevent accidently sending insecure information back into your browser, disable Facebook Chat!
Log into your account and click [cci]Chat – Options – Offline[/cci]
This is a step forward, but the fact remains that most will use the Facebook website for its convenience (no desktop client required) and accessibility – and consequently be vulnerable to attack. Never ever ever send passwords, credit card numbers, social security numbers, or anything that you wouldn’t want a stranger in the street to find in your trash over Facebook chat. You have been warned.