Having Windows 10 I'm not worried about my personal computer, I'm more worried about the servers. Target the right big companies, this could be cataclysmic. Like "Deathwing raining fire down onto the Barrens" cataclysmic.
That's the beautiful irony of it: Giving up freedom to try to protect ourselves from terrorists indirectly lead us to opening the floodgates for cyberterrorists.