Wireless internet connection is now available free in the public domain.
Wi-Fi while is very useful, also has its own pitfalls. With the entry more and more mobile connected devices, the web world is becoming very unsafe for the users. Using wi-fi devices in public areas will attract more hackers and your information is at wrong hands easily.
Session cookies are sniffed and the user's sessions are high jacked. Using free wi-fi in public domains such as airports or cafes put you at risk as hackers are waiting to access the same connection and hack your device.
So how do you protect yourself ? Connect to the correct network name and not the freely available fake one. Turn wi-fi off when not in use. Use onyl encrypted websites. Update your OS and application software to have the latest security patches installed. Avoid online banking on free wi-fi. Always keep the firewall on.