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What Is a VPN?How Does It Work?

A VPN encrypts your traffic to give you online privacy and security.

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How Does It Work?

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How Does a VPN Work?

A VPN (Virtual Private Network) is a tool you can use to encrypt your internet traffic. When you browse the web without a VPN, your data can be tracked and recorded by your ISP (internet service provider) and the websites you visit. Your data may also be vulnerable to snoops and cybercriminals.

When you connect to a VPN server, your traffic is routed through an encrypted tunnel. This hides your online activity from anyone who might be watching, including your ISP! A VPN also changes your IP address to one from the server's location.

Without a VPN

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Your devices

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Unencrypted data transmissions that anyone can intercept and read

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The internet

With a VPN

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Your devices

CyberGhost VPN has a 45-day money-back guarantee

A VPN server encrypts your data in transit

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The internet

What Does a VPN Do?

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Mask Your IP Address

Your IP (Internet Protocol) address, assigned by your ISP, gives the websites you visit your approximate location. A VPN gives you a new virtual location when you connect to one of its servers. This changes your IP to make it seem like you’re connected to the internet from the server's location.

Unblock Content on Any Network

While traveling abroad, you may find you can't access the same content you usually do when you’re at home. Your school or work may even block you from accessing certain websites and platforms. A VPN lets you access all your favorite content on any network.

Encrypt Your Internet Traffic

When you use a VPN to encrypt your internet connection, you keep prying eyes away from your traffic. That includes snoops, your ISP, and even the government. Public Wi-Fi may be convenient, but it’s also a hotbed for cybercrime. A VPN will protect you when you connect to public networks.

Protect All Your Devices

VPNs aren't just for computers. You can install VPN apps on your mobile devices, your Smart TV, and even your router. Securing all your devices with a VPN will encrypt all incoming and outgoing traffic and protect your digital life.

CyberGhost VPN protection

Why Should You Use a VPN?

Public WiFi Safety

Public Wi-Fi Safety

Snoops and cybercriminals love free Wi-Fi as much as you do. When you’re connected, your traffic may be exposed to prying eyes. Secure your connection with CyberGhost VPN to browse safely.

Unrestricted Streaming

Unrestricted Streaming

CyberGhost VPN helps you access your favorite movies, tv shows, and live news securely on any network. You can even live stream sporting events around the world!

Secure P2P Sharing

Secure P2P Sharing

We have optimized servers for P2P file sharing, giving you lightning-fast speeds. Download and share torrent files safely and anonymously with CyberGhost VPN.

Safe and Open Gaming

Safe and Open Gaming

Enjoy limitless online gaming. Access geo-restricted games on any network by connecting to a server in another country. Secure your connection to prevent DDoS and malware attacks.

Surf Freely and Safely

Surf Freely and Safely

Use CyberGhost VPN to shop for better deals by changing your virtual location. Read emails, do your banking securely, and even access restricted websites on any network!

Traveling to Other Countries

Traveling to Other Countries

While abroad, you may be blocked from your local streaming, shopping, or banking platforms. CyberGhost VPN helps you bypass restrictions and access your favorite content and other online services.

How to Set Up a VPN

It's easy to download CyberGhost VPN and install it on your device. Run the app and click the connect button to get started. The app will automatically choose the best server based on your location.

If you want to configure your own VPN connection, CyberGhost lets you choose a server in any of 9588 countries around the world. We also have optimized servers for streaming, gaming, and torrenting. You’ll even be able to select a VPN protocol of your choice.

Install CyberGhost VPN on a compatible router to protect all your devices at the same time. Always on — always protected.

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What Is a VPN Server?

A VPN server acts as a middleman between you and the internet, encrypting all your online traffic. These servers feature specially optimized hardware and software configured to secure your connection.

CyberGhost's servers are RAM based, which means all data is wiped every time the server is rebooted. This is part of our strict No Logs policy.

When you connect to a VPN server, your IP address is replaced with one from the server's location. CyberGhost has 9588 ultra-fast VPN servers around the world.


How Does VPN Encryption Work?

A VPN routes your traffic through a virtual tunnel and scrambles your data, making it unreadable to snoops, hackers, and even your ISP.

We use military-grade 256-bit AES encryption. This advanced encryption method is virtually impossible to crack. If anyone were to intercept your traffic, all they’d see is indecipherable code.

When you connect to a VPN, you can browse the web without worrying who might be watching. Make the smart choice for your online security and take back your privacy with CyberGhost VPN.

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What Is VPN Tunneling?

A VPN tunnel is a virtual tunnel between your device and the web. Think of it like a invisibility cloak that encapsulates your traffic and protects it from nosy third parties.

CyberGhost VPN creates a tunnel for your encrypted traffic to travel through safely and securely. You can rest assured that your online activity is 100% private.

A VPN protocol determines how your traffic is encrypted while in transit. Each of our VPN protocols offers a different balance of performance and security.


WireGuard® is an open-source protocol offering lightning-fast speeds and high-end security. It’s a great general-purpose VPN protocol and is ideal for streaming, gaming, and downloading.

Available on: Windows, macOS, Android, iOS, Linux, Android TV, and Amazon Fire


OpenVPN is one of the most secure VPN protocols, which makes it ideal for banking or connecting to public networks. It’s compatible with a wide range of devices and will even work on a router. Choose OpenVPN when security is your main concern.

Available on: Windows, Android, Linux, Android TV, and Amazon Fire


IKEv2 (Internet Key Exchange version 2) delivers both speed and reliability. It is extremely stable, even if you’re frequently switching between internet connections. If you’re looking for the most stable VPN protocol, IKEv2 is for you!

Available on: Windows, macOS, iOS

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What Are VPN Protocols?

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Alternatives to Using a VPN

Tor (The Onion Router)

Tor (The Onion Router) is a free, non-profit, open-source web browser. It encrypts your data through multiple relays. This makes for strong encryption, but can also slow down your connection significantly.


A proxy server masks your IP address, which can boost your privacy. However, it can be difficult to set up, and it doesn’t encrypt your traffic.

Smart DNS

Smart DNS changes your IP by directing your DNS (domain name server) through a server in a different location. Smart DNS is a great way to change your IP address, but it doesn’t offer you the same level of privacy as a VPN.


When it comes to selecting a VPN, look for one with a large network of servers. If it has a small network, you’ll probably experience server crowding, which will slow you down.

Also, look for a VPN that offers support. You’ll want someone to talk to if you have any questions. A VPN with trusted VPN protocols will ensure a safe and secure experience. A strict No Logs policy is also key. Ideally, you’ll want a VPN with RAM-based servers. These servers are routinely rebooted, which wipes away your search history.

CyberGhost VPN covers all of the above and more!

A No Logs VPN is a VPN service provider that promises never to log any of your online activity. This means your traffic stays 100% private. If your ISP, the police, or even your government asks to see your search history, there won’t be any logs to share with them.

CyberGhost VPN goes the extra mile for you. Our servers are RAM based, which means all data is wiped every time our servers reboot.

Free VPNs are not recommended. They have inferior security, which could lead to data leaks. They also have small server networks, which can slow your connection speed.

Free VPNs have to pay the bills somehow. This means they often bombard you with in-app advertising, which can be super annoying.

For about the price of a quarter pounder with cheese, you can browse the web securely and anonymously with CyberGhost VPN. It’s an affordable VPN packed with premium features.

Try CyberGhost VPN risk-free today with our 45-day money-back guarantee.

You can’t be tracked as long as you’re using a high-quality VPN service. Connecting to a VPN server gives you a different IP address and masks your location.

What’s more, a VPN encrypts all your traffic. If anyone taps into your connection, they won’t be able to make heads or tails of anything. Snoops will only see lines of garbled code which won’t mean a thing to them.

CyberGhost VPN uses AES 256-bit encryption. This state-of-the-art encryption is often referred to as military grade.

You can run a VPN on anything from a mobile phone to a tablet, laptop, and even a Smart TV. Of course, this all depends on the VPN you choose.

CyberGhost VPN has a software solution for Windows, macOS, Linux, Android, iOS, Android TV, and Amazon Fire devices.

We even offer a Smart DNS feature so you can secure your router or gaming console.

A single CyberGhost subscription lets you connect up to 7 devices at once. Protect all your devices at the same time!

It can. But with a good quality VPN, you shouldn’t even notice. Connecting to a server near you will ensure fast connection speeds. Connecting to a server further away will slow your connection slightly, as your traffic has to travel further. Use a high-quality VPN and you won’t feel a difference.

CyberGhost VPN has a huge network of servers, some of which are optimized for specific tasks like streaming and gaming. We use only the best VPN protocols, and we give you the freedom to choose the one you want based on speed and security.

Like any app you run in the background, a VPN uses some battery power. You don’t need to be concerned about a VPN draining your battery to death before the day is done.

Yes, you should. If your VPN is always on, you’re always protected. CyberGhost VPN allows you to select trusted websites the VPN should bypass. Keeping your VPN on all the time ensures your privacy and security when you browse the web.

The three types of VPNs are commercial, corporate, and self-setup. CyberGhost is a commercial VPN designed to protect your privacy. Corporate VPNs protect businesses’ privacy by letting remote employees work online securely.

Self-setup VPNs are for the passionate few who enjoy doing it themselves. This type of VPN won’t give you access to multiple server locations, nor will it give you the security of a commercial VPN.

VPNs are legal depending on your location. Certain countries have banned VPNs, so you may be blocked from downloading VPN apps. Countries that have banned VPNs compromise the privacy and security of netizens.

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With 9588 servers in 91 countries, we give you blazing-fast speeds and unlimited bandwidth. No more buffering, ISP throttling, or proxy errors with our VPN connection.

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