WiFi access is available to everyone, including visitors, inside and outside most buildings throughout both campuses by selecting the open network “Columbia University” on your device; students, faculty and staff are encouraged to configure and use the more secure WiFi option “Columbia U Secure”.

Secure WiFi | CenturyLink Secure WiFi provides automatic protection for your entire home network. The security is built right into select modems and automatically protects all your connected devices (even those without a display) from being exposed to online threats. How to secure WiFi in Home from Neighbors and Hackers [5 May 30, 2019

Xfinity® WiFi by Comcast | Wireless Internet on the Go

The 10 Best Secure Routers of 2020 - Lifewire Jun 24, 2020 Does a wireless range extender compromise my security

Secure Wi-Fi | WatchGuard Technologies

How to secure WiFi in Home from Neighbors and Hackers [5 May 30, 2019 How to Make Your Wifi Router as Secure as Possible