Server Message Block (SMB) is a communication protocol intended to provide shared access to files on a network of systems. The SMB port (445) is open on your virtual machine and allows all incoming traffic from the Internet. In order to keep security best practices and decrease the risk for malicious activities, you should restrict access to be only from allowed IP addresses.
  • Recommended Mitigation

    Configure networking rule to allow incoming SMB traffic from allowed IP addresses only.