[ISN] Windows 10 Shares Your Wi-Fi With Contacts

http://krebsonsecurity.com/2015/07/windows-10-shares-your-wi-fi-with-contacts/ By Brian Krebs Krebs on Security July 29, 2015 Starting today, Microsoft is offering most Windows 7 and Windows 8 users a free upgrade to the software giant’s latest operating system — Windows 10. But there’s a very important security caveat that users should know about before transitioning to the new OS: Unless you opt out, Windows 10 will by default share your Wi-Fi network password with any contacts you may have listed in Outlook and Skype — and, with an opt-in, your Facebook friends. This brilliant new feature, which Microsoft has dubbed Wi-Fi Sense, doesn’t share your WiFi network password per se — it shares an encrypted version of that password. But it does allow anyone in your Skype or Outlook or Hotmail contacts lists to waltz onto your Wi-Fi network — should they ever wander within range of it or visit your home (or hop onto it secretly from hundreds of yards away with a good ‘ole cantenna!). I first read about this disaster waiting to happen over at The Register, which noted that Microsoft’s Wi-Fi Sense FAQ seeks to reassure would-be Windows 10 users that the Wi-Fi password will be sent encrypted and stored encrypted — on a Microsoft server. According to PCGamer, if you use Windows 10’s “Express” settings during installation, Wi-Fi Sense is enabled by default. […]




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