> How on earth do you identify the illegitimately outflowing data in the vast soup of data being emitted from the browser? Do you have a magic key that lets you

> How on earth do you identify the illegitimately outflowing data in the vast soup of data being emitted from the browser? Do you have a magic key that lets you decode Microsoft telemetry, for example? There is an entire profession of network forensics and security analysis to make these determinations. A great deal of commercial products are available to assist and to some degree automate. It is not a 'solved problem', but it is as solved as anything else in security.