Active port scanning were detected by AWS GuardDuty service on the Internet facing mis-configured unpatched EC2 instance {AwsEc2Instance} ({AwsEc2Instance.InstanceId}). AWS GuardDuty is a threat detection service that continuously monitors your AWS accounts and workloads for malicious activity. The service detects one of the following types of active port scans (Recon:EC2/PortProbeEMRUnprotectedPort, Recon:EC2/PortProbeUnprotectedPort, Recon:EC2/Portscan) on an EC2 instance that Orca has identified as exposed to the Internet with neglected OS (unsupported or unpatched for a long time) and network misconfugrations.