Mobile app targeted at large number of users

An AWS certification question asks how you’d authenticate a mobile app. The answer is Web Identity Federation to login.

You then get a Secure Token from AWS STS and use an IAM policy.

https://docs.aws.amazon.com/amazondynamodb/latest/developerguide/WIF.html

See also: https://docs.aws.amazon.com/cognito/latest/developerguide/what-is-amazon-cognito.html

 

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