Openid Connect is the leading standard for sign-on and identity provision on the Internet and was “developed by a large number of companies and industry experts” within the Foundation.

A letter from the OpenID foundation to Apple thoroughly explain that while Apple largely adopted ‘OpenID Connect’ for their upcoming feature ‘Sign In with Apple’, the changes and differences made by the Cupertino giant not only exposes the end users to a greater security and privacy risks but also place an unnecessary burden on developers of both OpenID Connect and Sign In with Apple.

Along with an “instructions list” of what Apple should change and re-test to improve the issues, they also slipped a fair request from apple to state publicly that by using this standard they also joined the OpenID Foundation.

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