Couchbase Database Security

Hello all,
I am carrying out survey to establish security issues with NoSQL DB, specifically Couchbase.
If you know or have worked with Couchbase or any NoSQL DB, you are the right respondent.
Your feedback is highly appreciated.
If you would like to get the results, Please indicate once you complete in the last field.
Here is the link: https://www.surveymonkey.com/s/LBZKFSF
Thank you very much.

Regards,
Philip