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What Is a VPN? A Complete Guide to Virtual Private Networks

31 มกราคม 2026
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They encrypt internet traffic, mask IP addresses, and protect internet users on public Wi-Fi. Personal VPNs are designed for individuals who want privacy, security, and unrestricted internet access. VPNs are often defined between specific computers, and in most cases, they are servers in separate data centers.
VPN use has expanded rapidly in recent years, and according to Forbes, it’s believed that 31% of all internet users worldwide now use a VPN. This means that if you surf online with a VPN, the VPN server becomes the source of your data. VPNs encrypt your internet traffic and disguise your online identity. VPN stands for “Virtual Private Network” and describes the opportunity to establish a protected network connection when using public networks. In summary, changing your IP address through a reliable VPN service can significantly improve your online security, privacy, and convenience. I want to access Netflix, Hulu, and other streaming services without being blocked.
They can also disguise your online identity to a certain extent, which can help you protect yourself from identity theft. Learn how Adaptive Multi-Factor Authentication combats data breaches, weak passwords, and phishing attacks. Our platforms secure all types of spars casino identity from AI agents to your customers, employees, and partners. VPNs work through a detailed process to ensure your data is kept safe throughout. The VPN connection does not protect you from hacker attacks, Trojans, viruses, or other malware.
To secure and encrypt all network traffic, you’ll also need a VPN router. It’s easy to add new users or groups of users to networks using flexible VPN software tools. The actual geographic locations of users are protected and not exposed to public or shared networks like the Internet. The VPN lets remote devices, like laptops, operate as though they’re on the same local network. A VPN creates a “tunnel” where you can send data securely using encryption and authentication tools. Your ISP uses your IP address to track everything you do online and log it in their servers.
You can then go into the app and choose a VPN server to connect to. Yes, there are free VPNs, but their services and features are often more limited than premium VPNs. The employee’s “host” computer needs a client application to set up the connection. A site-to-site VPN connects two or more private intranets at different sites. In 1998, the Internet Engineering Task Force (IETF) introduced IPsec, delivering more advanced encryption methods.
Although some people say “VPN network”, the term is redundant because the “N” in “VPN” already stands for Network. They are also portable and can be installed in any environment with an Internet connection. Users also gain privacy because a VPN server covers their virtual location with its own IP address.

Virtual Private Network types

NordVPN is an exceptional VPN that’s extremely fast, great for streaming and packed with privacy features. For its new basic plan, which is essentially just the VPN service, you’ll pay $13 per month, $75 for the first year or $98 total for the first two years (the one- and two-year plans renew at $99 annually). ExpressVPN rolled out new subscription options, but while some configurations are now technically cheaper, the changes didn’t translate to meaningfully better value than the previous iteration. We retested our top picks in August to evaluate new features, examine the latest audits and ensure each service maintains our standards for quality. The best VPNs offer robust privacy protections without compromising on performance or noticeably affecting your internet speeds.

ExpressVPN

From online banking to communicating remotely with colleagues, we’re transferring more data on our computers and smartphones than ever before. In today’s hyperconnected world, online privacy and security are increasingly critical. By contrast, Proton VPN doesn’t limit your data consumption, but you can’t choose a server manually. Its free plan limits your monthly usage to 10GB, but you can pick from servers in 13 cities.
Sometimes, firewalls or security software can disrupt VPN connections. It has strong security protections and is often bundled with the IPSec protocol, which authenticates and encrypts packets of data sent over the VPN. Some protocols help improve speed, while others help improve data privacy and security. VPN protocols decide how data is routed between your computer and the VPN server. For example, if your business uses Chromebooks, you can search for tutorials specifically for these devices. If you don’t, search for other providers’ setup guides that use the same devices.

Server Status

This makes it difficult for uninvited third parties to access your secure connection. To gain access to the network, a VPN connection is often required. For security reasons, this kind of information requires a secure connection.

  • Our platforms secure all types of identity from AI agents to your customers, employees, and partners.
  • However, massive data breaches that began in the 2010s showed the need for consumer-level VPN services.
  • Not only is WireGuard just as secure, but it is faster and manages network changes better.
  • Email Relay lets you create secure email addresses that forward to your real inbox.
  • However, free VPNs have limitations like reduced speed and bandwidth, limited server locations, and potentially less robust security and privacy features.
  • ExpressVPN offers a 30-day money-back guarantee, so you have the opportunity to try the service before fully committing.

A VPN service provider is an entity that controls your VPN service. Websites see a VPN server’s IP address instead of a VPN user’s actual address. Well, a VPN server is a kind of server that hosts and delivers Virtual Private Network Services to remote or local clients.

The history of VPNs

A VPN can help you avoid that, because it uses IP masking to keep your identity and location private. Whenever you’re online, every link you click, site you view, picture you post, or purchase you make can be tracked by websites and others. Strengthen your privacy today by downloading a powerful VPN with bank-grade encryption. Unlimited speeds, streaming support, SOCKS5 proxy, Ad Blocker, and more!

What are verifiable digital credentials?

They have many server locations, unlimited device connections, and additional security and privacy features like ad-blocking, split tunneling, and multi-hop connections. This tunnel ensures that your data is protected and cannot be easily intercepted or accessed by third parties, such as hackers or your internet service provider. These protocols are the key elements that safeguard sensitive information, defend against cyber threats, and enable remote access to secure networks. The server acts as a protective shield around the user’s information, preventing eavesdroppers, hackers, or the internet service provider from monitoring or tracking online activities. A Personal VPN is a secure and private tunnel for users who want to protect their online activities.

  • Even if they don’t, it’s better to install what they offer first and then confirm that your VPN account is operating correctly.
  • Since VPN connections run off the Internet, you need to choose an Internet service provider (ISP) that consistently delivers excellent service with minimal to no downtime.
  • Proton VPN’s unlimited free tier is fast and secure and can be used for most online activities, including streaming Netflix.
  • Paid VPNs often implement advanced features like strong encryption and a strict no-logs policy, ensuring user data remains private and protected.
  • The VPN connection does not protect you from hacker attacks, Trojans, viruses, or other malware.
  • Responsible for creating the VPN connection, L2TP is often combined with IPsec for security.
  • It’s like a regular router, except its firmware allows it to manage VPN connections and allow devices to use the VPN service.

While Proton is great for casual users who want to stream Netflix or travel the world, its unique and helpful privacy features make it an outstanding choice for anyone with serious privacy concerns, such as political activists. Moreover, Privado hasn’t been audited and doesn’t publish transparency reports, so unlike Proton VPN, it’s unsuitable for people with serious privacy concerns. And like many other VPNs, Surfshark offers a 30-day money-back guarantee in case you’re not satisfied with the service.
Mullvad’s apps deliver a consistent experience across devices and are extremely simple to use. And unique to Mullvad is Defense Against AI-guided Traffic Analysis (DAITA), a feature that helps protect users from having their encrypted web traffic identified using artificial intelligence. Mullvad’s plenty fast enough for data-heavy activities like streaming, torrenting or gaming.
Because the demographic location data comes from a server in another country, your actual location cannot be determined. With a VPN, hackers and cyber criminals can’t decipher this data. This means your Internet Service Provider (ISP) and other third parties cannot see which websites you visit or what data you send and receive online. A VPN hides your IP address by letting the network redirect it through a specially configured remote server run by a VPN host.
As long as your base internet speeds aren’t a slow crawl, you’ll have no issues streaming, gaming, torrenting or hopping on video calls while connected to ExpressVPN. However, ExpressVPN is also one of the most expensive VPNs on the market, even after a major price overhaul in September 2025 that we were hoping would make the service more attractive to budget-conscious users. The VPN also now has servers in all 50 of the United States, making it great for getting around regional sports blackouts. You’ll even find servers across all 50 states in the US, making it a great choice for travel throughout the country and unblocking regional sports, such as NFL games. ExpressVPN is the best VPN overall thanks to its streamlined apps, fast server speeds, excellent streaming capabilities and strong privacy.