For example, there are some attack from cracker (hacker on black line) on every place. On this example, we are using HOTSPOT, the possibility when we using HOTSPOT (wireless network) is Sniffing Attack, ARP Poisoning Attack, DNS Spoofing Attack, etc.
On this article, the author is not discuss about some attacks on wireless network. So, let's we secure our internet connection. How to secure internet connection?? We can using SSH Tunneling. Maybe you don't know what is that about SSH Tunneling, so you can look this here.
Secure Internet Connection Using SSH Tunneling - Paper 4Share