JotForm is a free online form builder which helps you create online forms without writing a single line of code. No sign-up required.
We believe that if one user has a question, there could be more users who may have the same question. This is why many of our support forum threads are public and available to be searched and viewed. If you’d like help immediately, feel free to search for a similar question, or submit your question or concern.
If I understood you correctly, you are asking if the data that your users submit are secure.
All submission data on our servers are secure. The forms and submissions are transmitted securely with a 256 bit high-grade encryption. You can also log into JotForm site securely and download your submission reports over a secure connection using https://www.jotform.com
We provide a very high security through out our hosting provider's servers for stored data. We have a very powerful cloud of servers in SSAE16 Audited facilities which provides security protection against malicious attacks like SQL injection and denial of service (DOS) attacks.
Also all our forms are secure by default: https://www.jotform.com/blog/175-All-Forms-are-Now-Secure-by-Default-The-SSL-Limits-on-Free-Accounts-are-Lifted-
You have option where you can select if you want the form data to be secured. You can use the secure / SSL form URL or embed script.
Here is a guide on how to receive SSL submissions: http://www.jotform.com/help/63-How-can-I-receive-SSL-Submissions
If you want your form user to know that their data will be sent securely, you can add enable security certificate seal in your form. Here is a guide which you can refer: http://www.jotform.com/help/131-Enabling-Security-Certificate-Seal-on-Secure-Forms
You can also encrypt your submitted data: https://www.jotform.com/blog/162-Introducing-Encrypted-Forms-The-Ultimate-in-Online-Form-Security
More about encrypted forms and how to use them you can find inside of this guide:
Hope this will help. Let us know if you need further assistance.