With the advanced forms 'Save and Complete Later' feature, it is quite basic and does not quite meet standards and best practice we require to protect our users. An extra passphrase needs to be added to he save and complete later feature - same as what was in place in Squiz custom forms and most other platforms

Just relying on the existing URL plus a string variable is not very secure and could potentially be exploited by a simple script

The addition of the option to add a passphrase or some form of keyword or code provides the option for form builder to add a level of protection for their users