Dynamics Community Forum Thread Details

Stop accessing the Survey links by other contacts,

Hi,

My query is, if the survey link is known to others, then they also can submit the response on behalf of the actual contact. For example, a survey is sent to contact “A” and if the contact “B” knows the link, B can submit the response, but it should not be. How can I restrict the submission?

Thank you.

Hi Venkatesh,

There's no simple, generally-applicable way to achieve this for users outside your organisation. This is an authentication problem and a question of trust. Have a read up on multi-factor authentication (wikipedia).

If a unique link has been compromised (intentionally, by accident or nefariously) then to ensure the response comes from the person you want, you need some other authentication method(s), for example a pre-existing username & password, a pin/key value, an email, a SMS message code, physical token, etc. Most of these are outside the scope of Customer Voice, except maybe having one of your questions ask for a pin or key value. This wouldn't stop B from filling in the link for A, but it would tell you if the user knew both the invite link and the pin/key, which should give you more confidence of the user being who you think they are.

If your users are internal to your organisation, when you restrict the survey to internal users and make it not allow anonymous submissions, you can rely on the user's sign-in to be more confident the response has come from the person you think it has.

Tom

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