What could Apple’s legal challenge mean for data protection?

The Home Office have asked for the right to see users’ encrypted data in the event of a national security risk. Photograph: Yui Mok/PA

Apple will challenge a UK government demand to access encrypted customer data at a Royal Courts of Justice hearing in London on Friday.

The appeal will be considered by the investigatory powers tribunal, which investigates claims that the domestic intelligence services have acted unlawfully.