This recipe will walk you through the basics of setting up GuardDuty, in order to monitor your resources. There really isn't much to it, beyond enabling the service for your account:

1. Log in to your AWS account and go to the GuardDuty dashboard.
2. Click Get Started, and then click Enable GuardDuty.
3. Click Settings, and then click Generate Sample Findings.
4. Go back to Findings and check out what typical findings might look like: