This is from RIM aka BlackBerry: NEWS: Security is one of the cornerstones of the BlackBerry® Solution. The protective measures built into BlackBerry® products ensure customers can securely access sensitive information on their BlackBerry® Devices.

Please be assured its not possible for any BlackBerry® device to be hacked via adding someone to BBIM® (BlackBerry® Instant Messenger™) So please play your part in stopping the panicking chain messages about hackers.
Sent on the Sprint® Now Network from my BlackBerry®