Informational (4)
Recommended Mitigation
Ensure security groups in your account are not configured to allow inbound traffic to predefined blocked ports (21,22,135,137-139,445,69). More details can be found in <a href="https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/authorizing-access-to-an-instance.html" target="_blank" rel="noopener noreferrer">https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/authorizing-access-to-an-instance.html</a>