Q. What is a VPN?
<p>A. In its most common use, a VPN, or Virtual Private Network, is a computer network spanning multiple physical locations using links which are open to the public.  For example, VPNs are frequently used to link different geographical locations over the Internet.</p>
<p>Given the universally accessible nature of the Internet, data transmitted over a VPN might be intercepted by external parties.  VPN traffic is therefore protected with strong authentication and encryption making it extremely secure.</p>