
iOS 11s Misleading Off-ish Setting for Bluetooth and Wi-Fi is Bad for User Security | Electronic Frontier Foundation
Turning off your Bluetooth and Wi-Fi radios when youre not using them is good security practice (not to mention good for your battery usage). When you consider Bluetooths known vulnerabilities, its especially important to make sure your Bluetooth and Wi-Fi settings are doing what you want them to. The iPhones newest operating system, however, makes it harder for users to control these settings.On an iPhone, users might instinctively swipe up to open Control Center and toggle Wi-Fi and Bluetooth off from the quick settings. Each icon switches from blue to gray, leading a user to reasonably believe they have been turned offin other words, fully disabled. In iOS 10, that was true. However, in iOS 11, the same setting change no longer actually turns Wi-Fi or Bluetooth off.
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