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How to Secure Your Wifi Network
Change Your Router Admin Username and Password: Every router comes with a generic username and password—if they come with a password at all. You need it the first time you access the router. After that, change them both. Immediately.
Change the Network Name: The service set identifier (SSID) is the name that's broadcast from your Wi-Fi to the outside world so people can find the network. While you probably want to make the SSID public, using the generic network name/SSID generally gives it away. Give your network a more personalised name.
Activate Encryption: It's the single most important thing you must do to lock down your wireless Navigate to your router's settings and look for security options. Once there, turn on WPA2 Personal (WPA2-PSK); if that's not an option use WPA Personal. Set the encryption type to AES.
Turn Off Guest Networks: It's nice and convenient to provide guests with a network that doesn't have an encryption password but this will provide an easy access especially if you don't trust them.
Use a VPN: A virtual private network (VPN) connection makes a tunnel between your device and the Internet through a third-party serve. It masks your identity preventing snoops from seeing your Internet traffic.
Update Router Firmware: Router manufacturers constantly provide updates to plug security holes by providing new software for the router, called firmware. Go into your router settings regularly to check if you need an update and install if one is available.
Turn Off WPS: Wi-Fi Protected Setup, or WPS, is the function by which devices can be easily paired with the router even when encryption is turned on all one needs to do is push a button on the router and the device in question to get them connected. It means that anyone with the physical access to your router can instantly pair their equipment with it.
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