An application uses Amazon Cognito to manage end users’ permissions when directly accessing AWS resources, including Amazon DynamoDB. A new feature request reads as follows:
Provide a mechanism to mark customers as suspended pending investigation or suspended permanently. Customers should still be able to log in when suspended, but should not be able to make changes. The priorities are to reduce complexity and avoid potential for future security issues.
Which approach will meet these requirements and priorities?

Question

An application uses Amazon Cognito to manage end users’ permissions when directly accessing AWS resources, including Amazon DynamoDB. A new feature request reads as follows:

Provide a mechanism to mark customers as suspended pending investigation or suspended permanently. Customers should still be able to log in when suspended, but should not be able to make changes. The priorities are to reduce complexity and avoid potential for future security issues.

Which approach will meet these requirements and priorities?

Kevin Lizano · Accepted Answer

Move suspended customers to a second Cognito group and define an appropriate IAM access policy for the group.

Kevin Lizano · Answer

Create a new database field “suspended_status” and modify the application logic to validate that field when processing requests.

Kevin Lizano · Answer

Add suspended customers to second Cognito user pool and update the application login flow to check both user pools.

Kevin Lizano · Answer

Use Amazon Cognito Sync to push out a “suspension_status” parameter and split the lAM policy into normal users and suspended users.

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