Uninstall SupportAssist from your Machine and this will stop.  SupportAssist Collect Logs from your Machine and reports it to Dell server.  The information saved on their server is completely secure and not available for public access, even a system owner can not access it.  Information Includes, Hardware configuration including upgrades made by, windows build version. Driver version, system crash logs. If you contact Technical support they utilize this information to troubleshoot.  Apart from that a very useful feature is automatic issue reporting for Hardware issue and create service request (case) on your Behalf with technical support.  They do not access Your personal Data, User account info, Browser info, Saved password, your windows settings.  Remove SupportAssist from your computer and it will all stop.   Personally I like supportassist.    As far as Useless dell tools are concerned, you can uninstall following   Dell mobile connect : If you are not using syncing your phone with PC  My Dell   Dell digital Delivery  Dell Customer connect.  Dell updates : If you Keep supportassist you don't need this If you remove supportassist you will need this to update drivers. 
every so often, dell sends data from my computer to their servers through the SupportAssistAgent.exe service. [IMAGE] I would like to know what dell services I can disable on my laptop, not only for privacy, but also to deactivate services that do not contribute anything to my computer. these dell services are currently running on my computer: [IMAGE]   dell xps 13 9310 i7-1185
Why is dell sending data from my laptop to its servers?