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VPN: What It Is, How It Works and When to Use It

Hotel Wi-Fi may work perfectly, but you still do not know who manages it or who else is connected. A VPN reduces the risks that come with that uncertainty: it encrypts traffic from your device and hides your public IP address. It is useful on public networks and when you work away from the office, as well as when you want to limit tracking or change your visible location. It is not an invisibility cloak or a replacement for antivirus software. Read on to learn what a VPN actually does, when to turn it on and how to choose a service you can trust.