Understanding Virtual Private Network (VPN)

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A simple explanation of what Virtual Private Network (VPN) is and how it can help protect online privacy.

In a world filled with constant connections, we rarely stop to question the safety of the ‘invisible wires’ that connect us. When you’re at a coffee shop, connected to the free Wi-Fi, did you ever wonder who might be listening? No, not to your coffee order, but to your digital conversations. Here’s where Virtual Private Networks (VPN) come into play.

Let’s imagine your online data as a precious piece of mail you’re sending to a friend. Normally, you would hand it to a mail carrier (your internet service provider), who delivers it through public roads (the internet). But what if the mail includes sensitive information, like a secret recipe? In that case, you’d want a more secure delivery. You’d want a private road and a trustworthy mail carrier. That’s exactly what a VPN does.

A VPN is like a private tunnel in the vast highway of the internet. Your data is enclosed in a secure ‘vehicle’ called encryption, which ensures that even if someone intercepts the ‘vehicle,’ they won’t be able to make sense of what’s inside. And instead of your regular mail carrier, a VPN uses a secure server to carry your mail. Even if someone was watching the private road, all they would see is that you sent something, but not what it was or where it was going.

Now, let’s talk about some real-life examples. Journalists and activists often use VPNs to bypass censorship or to communicate securely in places where free speech is restricted. Similarly, businesses use VPNs to create secure connections for their employees when they are working remotely.

However, it’s not just for the cloak-and-dagger stuff. Regular folks can benefit too. Ever been worried about using your credit card on a public Wi-Fi network? A VPN can secure that transaction. Or maybe you’ve been barred from watching a show because of your geographical location? With a VPN, you can ‘appear’ to be in a different country, bypassing such restrictions.

However, choosing a VPN service requires some thought. Not all services are equal, and some may even track your data. Therefore, it is crucial to research and choose a reputable VPN service.

In our fast-paced digital lives, VPNs offer a slice of privacy and security. So the next time you connect, consider if you’d like a private tunnel.


  1. Gérôme Billois, “Why should you use a VPN?”. Wavestone, 2018. https://www.wavestone.com/en/2018/08/why-should-you-use-a-vpn/
  2. Moynihan, Tim. “Why You Really Need to Stop Using Public Wi-Fi”. Harvard Business Review, 2017. https://hbr.org/2017/05/why-you-really-need-to-stop-using-public-wi-fi
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