Originally Posted by Slug
It's actually pretty difficult to install an app onto a phone without the user being aware of it. Unless the perp has physical access to the phone of course, but then that's a basic Security 101 fail.
Marketplace > Install App
not so difficult.
and most people don't have security functions enabled because of it's own nuisances....(having to enter a pin every time just to check a txt message...etc, etc)