For local application deployments, where dashboards communicate directly with the data server, your options for securing dashboard communications include:

For thin-client deployments, where dashboards communicate through an application server, your options include the following:

As with all encryption technology, there is a cost in performing the encryption and decryption of data. For applications with a very high frequency of data changes, you should account for this cost when you determine how frequently a dashboard can be updated (see the description of the -u or --update option).