Use a VPN
A VPN (virtual private network) is typically used by corporations and other organizations to provide a secure way to communicate with others on the same VPN over an otherwise public network. This can be important, for example, when sending email that you want to make sure that cannot be viewed by anyone snooping on your network.
Use a Public VPN Service
I am assuming that if you work for a corporation that uses a VPN, they will assist you in setting up your iPhone as needed. However, any iPhone user may wish to use a VPN. For example, you may want the security of a VPN connection for your public Wi-Fi activity. That is, if you connect to the Internet at your local Starbucks and check your email, you may prefer knowing that a skilled hacker ...
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