Apple has launched a second legal challenge against the UK government over its demands for “backdoor” access to encrypted user data stored in its cloud service.

According to a report from The Financial Times, the tech giant has lodged a complaint with the Investigatory Powers Tribunal (IPT), an independent body that investigates complaints about surveillance by UK public bodies. The complaint challenges government demands on Apple allow it access to end-to-end encrypted iCloud data belonging to British users.

The home office maintains that law enforcement bodies require this ‘backdoor’ capability to protect the public from terrorism, serious crime and child sexual abuse.

Apple has long taken a strong stance advocating for enhanced privacy and encryption protocols as part of its business model. Its Advanced Data Protection (ADP) service is an opt-in layer of encryption that sits atop its iCloud system, which allows users to encrypt their backed-up data, such as photos and notes. Not even...