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Amazon Cognito doesn’t emit logs of its own — instead, user pool authentication events, user management operations, and token issuance are recorded in AWS CloudTrail. CloudWatch Log Forwarder — configure CloudTrail to deliver Cognito events to a CloudWatch Log Group, and the Bronto forwarder Lambda streams them into Bronto. See Ingesting AWS Data into Bronto for the full service-to-method mapping.

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