Network misconfigurations

VM instance with public access and open port 138 (NetBIOS) and Windows operating system


We have found that {GcpVmInstance} is publicly accessible and has port 138 (NetBIOS) open. Access to this port could result in unauthorized access to the VM instance.
  • Recommended Mitigation

    Make sure that public access through port 138 (NetBIOS) is restricted.