By Johannes B. Ullrich, Ph.D. Most Android Devices Protected From Quadrooter By Default
http://www.androidcentral.com/google-confirms-verify-apps-can-block-apps-quadrooter-exploits
Dangers of IP Geolocation
https://nakedsecurity.sophos.com/2016/08/11/couple-sue-over-ip-glitch-that-repeatedly-sent-feds-to-their-house/
Microsoft Secure Boot Key Bypass
https://rol.im/securegoldenkeyboot/ (careful. highly annoying but harmless)
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