Forget the NSA, if you log into your home or work network, you've given virtually any law enforcement agency carte blanch to hack your network. Lovely. It's time to look into how to configure your router to move your mobile devices into the DMZ, or just bail on the idea of using wifi on those devices.

Google knows nearly every Wi-Fi password in the world | Computerworld Blogs

http://blogs.computerworld.com/android/2...word-world Wrote:If an Android device (phone or tablet) has ever logged on to a particular Wi-Fi network, then Google probably knows the Wi-Fi password. Considering how many Android devices there are, it is likely that Google can access most Wi-Fi passwords worldwide. 

Recently IDC reported that 187 million Android phones were shipped in the second quarter of this year. That multiplies out to 748 million phones in 2013, a figure that does not include Android tablets. 

Many (probably most) of these Android phones and tablets are phoning home to Google, backing up Wi-Fi passwords along with other assorted settings. And, although they have never said so directly, it is obvious that Google can read the passwords