Yes, Zendeq is very safe to use. The Zendeq Paas application is build utilizing Mendix (a 100% subsidiary of Siemens), which is a globally deployed powerful and trusted IT partner. Mendix is also taking care of the hosting and storage of your data. Mendix is utilizing the Amazon Web Services (AWS) datacenters for data storage.
Server up-time is 99,5%
Daily back-ups of your Account and data are made.
For more information about data security and compliance please visit the Mendix website at https://www.mendix.com/trust/