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A VPN short for Virtual Private Network is a type of connection method used to encrypt your internet connection. It adds a security layer when you are connected on the web like public networks, like wifi hotspots. Personal VPN is being popularly used and it's user base is increasing. Let's know more about it.
What does a VPN do?
Using a VPN will increase the security of your device by assigning your device with a new IP address that is supplied by the virtual network provider. The user using the VPN can get an IP address from any city the VPN service provides. You might live in San Francisco, but with the VPN you might appear to be in India.
Security with VPN
VPN is mostly run by corporations to protect their sensitive data, as data breach and Wifi-spoofing are becoming more common. Though VPN has been around for years but with the level of internet attacks around the world. It is very easy the people soon turned to VPN for added security. VPN uses advanced encryption protocols and techniques to encapsulate all data transfers. Since the traffic is protected you are mostly on the safe side, whenever you are sharing your data.
How does a VPN work?
Simply speaking, a VPN connects your PC, smartphone, or tablet to another computer(called a server) somewhere on the internet, and allows you to browse the internet using that computer's internet connection. If the server is in a different country it will appear as if you are browsing from a different country.
How can I use a VPN?
People use VPN's for many reasons today, you might want to mask your real IP address for breaking into someone's computer(Don't do that!!!!), You might want to access a website that is not available in your country or when you are browsing through a public wifi.
When you use a VPN encrypts your data through one of its servers. That means that your ISP will not be able to see your activity and the websites you visit. They will see the IP of your VPN server and not yours.
Virtual Private Network Protocols
The most common protocols that are used with the VPN are.
1. PPTP- The ease with this is that you can easily set it up on any operating system. It is a point-to-point connection over the GRE protocol. It's strong but not the strongest.
2. L2TP/IPsec: L2TP/IPsec is more secure than PPTP and has more enhanced freatures. It is actually a combination, L2TP provides a tunnel and IPsec provides a secure channel. Having it makes your VPN secure.
3. Open VPN:- Open VPN is an SSL based Virtual Private Network that is popular. The software is opensource and freely available.
How can you get a VPN?
You can simply get an app on your phone or download their application on your device.You can get some for free and for some VPN you might have to pay a premium.
The catch with free VPN is that your ISP might not see what you are doing with your network. But your VPN provider can. It is all about trust.
So, not all free VPNs are bad but when you get a paid connection than you can surely trust it.
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