7 On Your Side: Beware of public WiFi

Payphones are a thing of the past - in their place, there are 400 WiFi hotspots across three boroughs. More hotspots are being installed every day.

However, connectivity comes with a price. Eyewitness News asked some ethical hackers to give us a how-to, and it was an eyeopener.

Watch the video above to see how to enjoy the access, but still protect yourself.

CLICK HERE to learn more about 'Link NYC'.