What is the main function of AWS GuardDuty?

The primary function of AWS GuardDuty is to provide threat detection and monitoring for malicious activities. This service continuously analyzes and processes data from various AWS sources, such as AWS CloudTrail event logs, VPC Flow Logs, and DNS logs, to identify potential security threats and malicious behaviors.

GuardDuty employs machine learning and anomaly detection techniques, allowing it to automatically recognize patterns that may indicate compromised resources, reconnaissance activity, or instances of data exfiltration. By actively monitoring the environment and generating findings for ongoing activities, GuardDuty helps organizations respond swiftly to potential threats, ultimately enhancing their security posture in the cloud.