"The tech is widely seen as a shot across the bow of BlackBerry, which has long been a favorite platform for security-conscious mobile applications. BlackBerry is developing its own security sandboxing software for Android and iOS, called Secure Work Spaces, but when it plans to ship it is unknown."
BB X doesn't have it either; a real step backwards for them.
How will the BB sandbox software be supported on iOS. I'm sure that won't be in the "App store" ever. How many companies are going to require the iOS device to be rooted? Not many as that alone brings security issues up.