Microsoft Azure is one of the most secure, redundant, stable environments in the world. They comply with a large number of compliance structures. On top of this customers can choose to allow traffic only via HTTPS and to restrict access to PC’s on their network only by IP or IP range. Further details on
Yes, ENGAGE™ will run on any internet connection it is up to you as an organisation if you wish to secure this further and lock it down to your network only.