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With the world revolving around the digital ecosystem, everything seems to be more focused within the virtual world and yes including bad actions such as the multitudes of cyberattacks from large to small.

The importance of privacy and data protection has also increased significantly due to digital transformations and thus deserves more attention in order to protect everyone.

One of the easiest ways of protecting yourself is through the use of a VPN service perhaps you might have heard of them like SurfShark, Nord, iTop, ExpressVPN, and more. But have you wondered why do you need to use them in the first place? Do you know how it actually protects you?

In this article, we’ll be looking at how VPN works in a simple and easy-to-understand explanation by categorizing the mainstream usage of the service into security, anonymization, and geo-unblocking.


VPN Diagram 3

The nature of VPN itself is what makes it more protected than your standard Internet connection because it encrypts your data traffic and sends it to a dedicated server therefore it makes your ISP and any malicious parties unable to decipher what you’re trying to do and keep track of your actions.

This additional layer of protection is especially useful when you’re joining a public Wi-Fi network where potential dangers of packet sniffers and fake access points are everywhere that can steal sensitive data that may include the likes of banking details, login credentials, and biography.


VPN Diagram 1

Sometimes it is not enough to just obfuscate what we do but we have to hide who we are as well and VPN’s underlying mechanism help to achieve that since all of your encrypted requests are decrypted by the service’s server and then send to the destination.

The same process of returning that request to you follows the same pattern. In short, you basically have a middle-man that acts on your behalf so that your true identity (as in IP address) is not directly exposed to the destination server itself.


VPN Diagram 2

Ever experienced the sad moment of a certain movie or drama series being not available in your region due to licensing issues? VPN can also help you solve that issue because it requests data on your behalf, as long as the VPN server is within the region you want to be in (e.g US or Japan), you’ll be granted full access to the local content from anywhere you desire.

And if you’re wondering whether accessing resources far from where you are would slow down your Internet connection, that is quite subjective but very unlikely since big VPN companies have servers all over the world that will provide you with the best connection quality.

In my own experience, downloading files through a VPN usually would reach about 70% of my maximum connection speed while loading webpages is just 1 to 2 seconds longer than usual.

Final Thoughts

Speaking in a simple way, VPN is basically the bodyguard to your Internet connection by shielding you from prying eyes through traffic encryption, hiding you behind their backs by making requests for you, and allowing you to browse other region’s content by “placing” you into the destination country.

Following the unspoken laws of the Internet where everything you do is constantly being monitored and recorded with the tracks being undeletable, it is essential to be protected at all times and VPN is just one of the easiest ways to be accessed by the likes of you and me.

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