The best thing about NTT is its ability to integrate with other vendors and services. It's also able to provide a level of security that is hard to find in the market. The interface is not user friendly and it's difficult to find the needed information. The service is not very intuitive and the help section is minimal. As a system integrator, this has been one of the best security products I have used in the last five years. It has been able to provide a level of security that is hard to find in the market.