Watch Out for Wi-Fi Networks When Using Android Devices

Understanding watch out for Wi-Fi networks when using Android devices is easier when the main points are organized clearly. This guide brings together the essential details and practical considerations.

A new investigation from the Electronic Frontier Foundation (EFF) On a feature called the Preferred Network Offload (PNO) Was first introduced at Honeycomb OS, showing that Android smartphones can reveal a list of Wi-Fi networks. each connection when searching for suitable network even when the phone is still in sleep mode.

How Watch Out for Wi-Fi Networks When Using Android Devices Works

Android features revealing the list of Wi-Fi networks

This leads to the risk that users can be monitored and recorded the places that have been and Wi-Fi connection on the phone such as " Ms. X ", " Mr. Y's apartment ". etc.

However, it is not difficult to prevent this feature from working, just go to the " Advanced Wi-Fi " settings and disable the " Keep Wi-Fi on during sleep " feature to prevent the device from checking. Wi-Fi network list even in sleep mode. In return, you will see a slight increase in battery life.

Turn off Keep Wi-Fi on during sleep mode

Devices running iOS 6, 7, 8 of Apple are not affected by this error, although EFF has reported a number of data leaks in devices running iOS 5. Laptops run the system. OS X or Windows 7 are also likely to be affected, but they do not have a Sleep Mode Protocol similar to Android so the possibility of data leakage is much more limited.