To turn on ADP on an iPhone, iPad or Mac do the following: 1. Go to Settings > [Your Name] > iCloud. On a Mac, open System Settings > [Your Name] > iCloud. 2. Scroll down to Advanced Data Protection, which likely says Off, and tap that.

When it comes to the fundamentals of security, I think that on this Big Tech (eg, Apple) is right and Big Gov (eg, the UK) is wrong.

Apple has removed its strongest iCloud data protection for customers in the UK, as a refusal to comply with a government order demanding backdoor access to user data. Apple has a security feature called Advanced Data Protection,

Apple has made headlines by pulling its most advanced data security tool for UK customers. It is removing Advanced Data Protection (ADP) after the Home Office asked for the right to be able to access data which it is applied to - something even Apple itself cannot currently do.

Apple on February 21 withdrew its Advanced Data Protection feature from the United Kingdom following government demands for backdoor access