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How BBM protects messages

BBM uses a combination of authentication and encryption to protect messages. BBM requires authentication with the BlackBerry ID to send and receive messages. Depending on the device type, BBM uses one or more encryption methods to send and receive messages:
  • TLS for BlackBerry 10, BlackBerry OS over Wi-Fi, iOS, Android, and Windows Phone devices
  • BBM encryption key for BlackBerry 10 and BlackBerry OS devices