A business-critical mobile application that manages confidential information about the company's sales forecasts and product launches utilizes Amazon Cognito user pools with multi-factor authentication (MFA) enabled for all its users. Given the high sensitivity of the application, the company aims to monitor every user login activity by sending a notification email to the security team. Which of the following solutions would you recommend as the MOST optimal method to implement this requirement in a short timeframe? | AWS Certified Developer - Associate Quiz