Only a lazy guy have not commented on Windows 10 privacy “issues” yet. Here’s what Terry Myerson has to say on it in his Microsoft blog to defend his company point: “With Windows 10, information we collect is encrypted in transit to our servers, and then stored in secure facilities.”
Well, look at this video:
As you can see it is possible to decrypt the information sent. If it is easy for a regular user, it must be easy for hackers in general.
Here’s some instruction with walk-through video from winsupersite on Windows 10 privacy settings.