G-Suite itself is a very secure product as Google is very concerned when it comes upto to your Privacy.Google forms are directly linked to a backend Spreadsheet in which the data automatically gets saved you anyone fills up the form.When you have to fetch details from multiple people,you just generate a link and send it to u2019nu2022 email id ,whoever clicks the link can open the form.After filling the form it logsout. Incase you want that after anyone clicks the link and fills the form,s/he should not be able to access the form again,it can also be done through cloud .For more information contact us