In the wake of the US moves to improve ISP CPE security, the Wireless Broadband Alliance (WBA) has published a timely set of WiFi security recommendations, following on from some encouraging WiFi 7 field trials. With full convergence of WiFi and cellular on the cards in the 6G era, there is a lot of preparatory legwork needed, and the WBA hopes to help on that front. On this front, the WBA’s Open Roaming protocol (based on the WiFi Alliance’s Passpoint specification) is central. Open Roaming does what it says on the tin – it provides a way to authenticate a device (specifically, a user) to automatically move between WiFi networks that have opted into the Open Roaming ecosystem. In the…