GuardDuty
It is a managed threat detection service
Continuously monitors multiple AWS accounts for malicious activity or unusual behavior
Detection types
Reconnaissance attacks - brute force, port scans, port probes, etc
Instance compromises - malicious communications, spambot activities, outbound SSH brute force attacks, EC2 credential exfiltration, etc
Account compromises - malicious API calls, disabled CloudTrail, password compromises
Simple dashboard view
CloudWatch event triggers, with further partner integrations: Splunk, CrowdStrike, SumoLogic, etc.
Behavioral anomalies
Monitors CloudTrail, VPC flow logs and more
Continually updated
Public Security intelligence feeds
Malicious IP addresses
Partner intelligence feeds
Machine learning models
Abnormal behavior
Last updated