In transit we use standard SSL tunneling both when the model is sent to our service and between services. At rest we use AES-256 encryption. Models are encrypted with a key unique to the model and the unique key is encrypted with a master key that is regularly rotated.
An SSL server test on Authentise.com domain can be obtained here.
Authentise offers an Enhanced Security Module. If, in the process of the initial IT review you find that you have additional security needs that we do not meet as part of our general processes, this optional module might be your solution. If not, we always offer on-premise and private cloud versions.