The increased proliferation of smartphones means more people are going online using their mobile via both 3G and wi-fi.
But those tapping into public wi-fi hotspots such as BT Openzone could be at danger from so-called “evil twin” attacks.
The evil twin in this case is neither Arnold Schwarzenegger or Danny DeVito, but a bogus wi-fi hotspot which looks (and is named) like the real thing to a smartphone. This can be set up using a fairly cheap mobile wi-fi router which members of the public hook up to.
Data can then be hoovered up and decrypted by some simple freeware software, leaving passwords, email and social network accounts, and other personal details exposed.
Read the full article here
http://www.techwatch.co.uk/2011/04/27/smartphone-wi-fi-security-risk-highlighted/