[absconditus]

What does Blackberry's supposed great security actually entail?

[harshreality]

Details: http://electrospaces.blogspot.com/2013/04/how-obamas-blackbe...

SecurVoice software by Genesis Key, a short list of contacts that also have compatible communications devices (unclear if that's required or if that's only for classified communications, since a photo caption has Obama calling Romney), and possibly other hardware or firmware modifications that are not disclosed. IMEI kept secret, and the phone might only connect to a special secured base station.

[hendzen]

They own a subsidiary, called Certicom that owns nearly all of the key patents surrounding Elliptic Curve Cryptography.

[salient]

It's not just a "Blackberry". It's custom hardware with custom security.

[harshreality]

custom hardware

Source?

[stcredzero]

Apps and shortsighted or ignorant programming practices by app devs are a big source of security holes for iOS.