Making a privacy statement is the responsibility of an organization. Zaurus does not have templates available for this, because customers use our products and services differently, whereby the data (that is processed by Zaurus) is not the same for every customer.
We recommend that you contact the privacy officer within your organization for the privacy statement. This person can (probably) supplement the existing privacy statement on the basis of the data processing agreement concluded with Zaurus.
The data that must be included in a privacy statement is laid down in the GDPR under Articles 12 to 14. In the appendix (from page 41) of the guidelines of the “Working Party on Data Protection Article 29” is a handy overview which you can use: