A BBC investigation has made some truly worrying revelations.
Country's government may have blocked the service because Facebook wouldn't give it permission to use it to spy on users.
Apple has told MPs that the "best minds in the world cannot rewrite the laws of mathematics" in a submission on the planned Investigatory Powers Bill.
The latest version of Android's WhatsApp app automatically encrypts messages sent between Android devices.
Industry voice We look at how businesses can take charge of their own data when it comes to the cloud.
While 4K video is far from widespread right now, we discuss the benefits of being an early adopter in terms of the security of your business, and also the challenges of 4K surveillance.
Industry voice With the military under increasingly financial restraints, effective use of big data could streamline and enhance its operations.