By default .NET core collects telemetry when you use it. Telemetry data should be an opt-in process and not ON by default. How do you disable it?
The DOTNET_CLI_TELEMETRY_OPTOUT environment variable must be set to 1 or true.
In Windows you can do this by running in the command prompt:
You can check if the environment variables by running “set” in the command prompt.