Answer: Amazon GuardDuty

Amazon GuardDuty is a threat detection service that continuously monitors for malicious activity and unauthorized behavior to protect your AWS accounts and workloads. It uses machine learning, anomaly detection, and integrated threat intelligence to identify potential security threats. - **Amazon GuardDuty**: Continuously monitors for suspicious and unauthorized activity in AWS environments - **AWS Secrets Manager**: Helps protect secrets used to access applications, services, and IT resources - **Amazon Cognito**: Provides authentication, authorization, and user management for web and mobile apps - **AWS Certificate Manager (ACM)**: Helps provision, manage, and deploy SSL/TLS certificates for use with AWS services

Author: Ritesh Yadav