https://robfreeman.com/advanced-data-protection-worth-risk/ - Apple’s Advanced Data Protection (ADP) for iCloud is a powerful feature that enhances the security of your data by extending end-to-end encryption to 10 additional data categories, beyond the default 14 that are included with iCloud.
Enabling ADP comes with both benefits and trade-offs… The blog post above and this accompanying video – explore the pros and cons of enabling ADP and provides a step-by-step guide to turning it on.