End Service Provider Afilias for key material storage, access and usage for its own keys and secure acceptance of registrants’ public-key material so as to ...

https://www.apple.com/jp/legal/intellectual-property/tld/dps/

with the company the user has trusted with their identity. And of course, personal data collected in this way can leak, be stolen, and be vulnerable to misu...

https://www.apple.com/jp/privacy/docs/Sign_in_with_Apple_White_Paper_Nov_2019.pdf