"The research has important security implications for anyone who uses their iPhone's hotspot feature to share the device's mobile internet connectivity with other Wi-Fi-enabled gadgets. Adversaries who are within range of the network can exploit the weakness to quickly determine the default pre-shared key that's supposed to prevent unauthorized people from joining. From there, attackers can leach off the connection, or worse, monitor or even spoof e-mail and other network data as it passes between connected devices and the iPhone acting as the access point."
The takeaway? If you use this feature, make sure to manually override the automatically-provided password to secure your connection. Below is are the top 10 most commonly used words contained in the hotspot passwords:
