Millions of smartphone users and BT customers who use Wi-Fi wireless internet “hotspot” connections in public are vulnerable to fraud and identity theft, a Guardian investigation has established.In tests conducted with volunteers – to avoid breaching telecommunications and computer misuse laws – security experts were able to gather usernames, passwords and messages from phones using Wi-Fi in public places.
http://www.guardian.co.uk/technology/2011/apr/25/wifi-security-flaw-smartphones-risk