Originally Posted by finch
Its instant, device to device as well as secure, messages don't travel through a corporate server.
I now I am splitting hairs here, but PIN messaging should not be considered secure. PINs are encrypted using a common encryption key known to all Blackberries. Unlike a BES or DTR that use a unique 3DES encryption for each Blackberry.
An FYI for folks who work in the Health Profession or have security clearances.