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What is the WPS button on your router actually for?

A WPS button refers to the Wi-Fi Protected Setup button on a router or Wi-Fi extender. On your router, you'll see a WPS button (sometimes labeled with two arrows curving) that you can press.
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Your router's most questionable setting is probably still enabled, exposing your Wi-Fi to hackers

Disable Wi-Fi Protected Setup (WPS) even before reading this article ...