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What is VPN?


If you have been looking into how to improve online security, particularly on public networks, you may have come across the term "VPN." Though it may sound complicated, it's not. In simple terms, a virtual private network (VPN) is a group of computers or discrete networks connecting over a public network—the Internet. VPNs allow businesses and individuals to link up remotely with datacenters and other network resources when they are not able to connect via a LAN (local area network). For individuals using less-trustworthy Internet connections, such as public Wi-Fi in a café or airport lounge, VPNs offer an excellent way to secure and encrypt communication with tunnel. Connecting can be as easy as launching a VPN client on your computer or mobile device, or accessing a VPN provider via a Web site. Once logged in, your computer swaps keys with a remote service. After your identity is authenticated, all Internet exchanges are now encrypted and secure from snooping.

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