What is VPN
- Updated: May 17, 2023 | Published: May 17, 2023
Virtual Private Networks, or VPNs, have become a common tool in today’s digital world, offering added layers of security and privacy.
As we spend an increasing amount of our lives online, understanding VPN services is more crucial than ever.

What is a VPN?
A Virtual Private Network (VPN) is a service that allows you to connect to the internet via an encrypted tunnel to ensure your online privacy and protect your sensitive data.
A VPN is often used to secure your internet traffic from snooping, interference, and censorship.
How Does a VPN Work?
When you use a VPN, it hides your IP address and encrypts your data, making it unreadable to anyone who might be spying on your internet connection.
Here’s how it works:
- You start the VPN client (software) from your VPN service. This software encrypts your data before your Internet Service Provider or public Wi-Fi provider sees it.
- The data then goes to the VPN, and from the VPN server to your online destination—anything from your bank website to a video sharing website to a search engine.
- The online destination sees your data as coming from the VPN server and its location, not from your computer and your location.
In this way, a VPN can help keep your data secure and your online activities private from third parties.
Why Use a VPN?
Privacy
Security
Bypassing censorship and geographical restrictions
Remote access
Things to Consider When Choosing a VPN
Security
Privacy
Speed
Server Locations
Price
Customer Support
Using VPNs on Mobile and Desktop Devices
Desktop Devices
Choose a VPN provider
Sign up and download
Install the VPN client
Connect to a server
Start browsing
Mobile Devices
Choose a VPN provider and sign up
Download the VPN app
Install the VPN app
Connect to a server
Start browsing
Popular VPN Providers
ExpressVPN
Advantages: Known for its high speeds, robust security, and easy-to-use interface. It has servers in 94 countries, offers excellent customer support, and allows up to five simultaneous connections.
Disadvantages: It’s one of the more expensive options on the market, and the configuration options may be a bit too complex for users who prefer simpler controls.
NordVPN
Advantages: NordVPN is highly secure, offering features like double encryption and a kill switch. It boasts over 5,000 servers in 59 countries, allows up to six simultaneous connections, and has a strict no-logs policy.
Disadvantages: It can sometimes be slower than other options, especially when using double encryption. Some users also find its map interface for server selection a bit cumbersome.
CyberGhost
Advantages: CyberGhost stands out for its user-friendly interface, making it a good choice for VPN beginners. It offers strong security, a strict no-logs policy, and has over 6,000 servers in 90 countries.
Disadvantages: Its speeds can be inconsistent, and it’s not the best option for high-censorship countries.
Surfshark
Advantages: Surfshark offers unlimited device connections, robust security, and is relatively affordable. It also has a strict no-logs policy and features like a kill switch and multi-hop connections.
Disadvantages: While it has a rapidly growing network, its number of servers and locations is still lower than some competitors.
Private Internet Access (PIA)
Advantages: PIA offers a high level of customization, making it a good choice for advanced users. It has a large network of servers and allows up to ten simultaneous connections.
Disadvantages: Its interface isn’t as user-friendly as some others, and it has fewer servers in fewer countries than some competitors.
Remember, even when using a VPN, it’s still important to exercise good cybersecurity habits.
This includes using strong, unique passwords, being wary of suspicious emails and links, and keeping your devices updated with the latest security patches.
A VPN is a powerful tool for online security and privacy, but it’s not a silver bullet. It’s most effective when used as part of a broader approach to online security.
How To Order an eSIM

Compare eSIMs
Compare and find the most suitable travel eSIM for your needs and purchase it directly with the provider.

Receive eSIM via email/app
You will receive the eSIM profile within a few minutes in a separate e-mail or you can directly access it in the provider’s app.

Install eSIM
Scan the eSIM QR code in the mail with the camera function of your smartphone and follow the instructions on the screen. The profile will be set up automatically.

Free roaming abroad
You can now use the eSIM abroad!
Why Choose an eSIM?

Sustainable
The eSIM works digitally only, so fewer resources are used than with the classic SIM card.

Digital
The new eSIM can easily be digitally uploaded to your smartphone. It’s quick and saves the environment.

Fast Installation
Your eSIM profile is sent easily and conveniently by email. This means you will receive your digital eSIM much faster than a physical SIM Card by post.