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

By 31 Gennaio 2026Games

But its uneven internet speeds, modest server network and lack of third-party audits hold back a recommendation as one of the best VPNs. Proton VPN’s unlimited free tier is fast and secure and can be used for most online activities, including streaming Netflix. It costs a lot of money to operate a VPN, and free VPN services usually make up for the lack of subscription revenue by selling user data. Our top VPNs have all these features, although connection speeds will vary based on your internet provider and the server you connect to. We test VPNs for browsing and streaming speed in multiple countries, as well as their connection stability and even the smallest potential privacy leaks. Things can shift rapidly in the VPN industry — performance can fluctuate, server networks may expand or contract, policies change and features come and go.
Mullvad was one of the first VPN providers to offer post-quantum protections, a forward-looking privacy feature that helps protect users against potential future threats from quantum computers. Everything Mullvad does is based on the company’s uncompromising commitment to protecting user privacy, from its innovative privacy features to its anonymous sign up process, always-on kill switch and lack of recurring subscriptions. There are no discounts or recurring subscription plans available, and you only need to pay for the months that you need the VPN, which allows for maximum flexibility. But if you’re more of a casual VPN user who just wants to stream content internationally from various streaming providers, then you’ll be better off with ExpressVPN, NordVPN or Surfshark.
A VPN server can be vulnerable to physical attacks or breaches if it is not properly secured. The physical security of the VPN server is another important factor. A good VPN provider should have a clear and transparent privacy policy that outlines what data they collect from their users and how they use it.

Secure remote access

After changing your IP address, it is important to confirm that your new location is correctly displayed and to ensure the stability of your internet connection. This process helps conceal your real location, use the internet anonymously, and bypass geographic restrictions on content access. VPNs are versatile tools and play an important role in online privacy for some users. These attacks are usually aimed at trying to get ahold of valuable personal and private information (e.g., login credentials, bank account numbers, social security numbers, etc.). Use our online test environment to see how our platform can help you empower your teamto continuously avert cyber threats and keep your organization secure.
As your data flows through this VPN spars casino server, it remains encrypted to prevent anyone who might intercept your data from understanding or making use of it. This is particularly important when you’re on public Wi-Fi or accessing sensitive information, as it keeps your personal data under lock and key, away from the reach of cybercriminals. It’s a smart way to keep your online actions hidden from unwanted eyes, offering a shield of privacy and security. Detect proxies fast and accurate by using the IP2Proxy Proxy Detection database, API or the hosted solution. IP2Proxy Proxy Detection enables developers to detect if a given IP address is classified as a proxy server. Detect any proxy IP address and filter its access based on the proxy type or threat level.

  • In 1998, the Internet Engineering Task Force (IETF) introduced IPsec, delivering more advanced encryption methods.
  • If your device’s operating system, like Windows, macOS, iOS, or Android, supports a VPN app, download, activate, and run your VPN to watch Netflix from a different location.
  • The company’s new Basic tier includes only the VPN plus a stripped-down version of its Advanced Protection offering and costs $13 per month — which is pretty standard for the industry.
  • To gain access to the network, a VPN connection is often required.
  • A VPN’s end-to-end security protects sensitive data, such as intellectual property, from hackers.
  • The added layer of encryption increases privacy, but it may also reduce speed—especially if the servers are far apart.
  • The kill-switch is designed to prevent a device from sending or receiving data if the VPN becomes disconnected.

To benefit from VPN protection on your MacBook or iPhone, check out our guide to setting up a VPN on Mac devices or mobile phones. Other problems with free VPNs include bandwidth limits, slow connection speeds, and fewer server locations. Free VPNs typically replace subscription fees by displaying ads or even by collecting personal data. It’s the simplest way you can set up a VPN connection — simply download a VPN app to your device and turn it on when you want to use it, or leave it on all the time.

What are the primary features of a VPN?

  • The employee’s “host” computer needs a client application to set up the connection.
  • Some free VPNs rely on advertising or data collection to generate revenue, impacting user privacy.
  • The downloadable client connects you to servers around the world, so employees everywhere can access your small business network.
  • Each VPN protocol is a combination of encryption methods and transmission protocols.
  • It protects the data moving between your device and the VPN server, making it unreadable to third parties.
  • When you use a VPN, you essentially create a secure “tunnel” between your device and the worldwide web or another device.

Overall, it’s great for the price and helps me get the extra protection I need. I really like how secure this VPN is compared to the other ones I’ve tried over the years. And the holiday day special offer was a no-brainer 5 star service!!!
Finding or showing your IP address is a simple process that can be done in a few steps, depending on the device you are using. It’s important to note that while your public IP address is essential for Internet connectivity, it can also pose privacy and security risks. Your public IP address plays a crucial role in your online experience. Think of it as your digital home address that enables you to send and receive data over the Internet. Check out our blog to learn more about how IP addresses work, their importance, and how to manage your online presence effectively. It’s assigned by your Internet Service Provider (ISP), allowing you to connect to the Internet through a network, whether at home, work, or on the go.

Platforms

Your IP address is a unique number linked to your online activity, somewhat like a return address on a letter. Check if your email address, password, and other personal information has been exposed in a data breach. That goes for your Internet connection, too. Is your Internet connection up to speed? Compare top rated VPN service providers that meet your needs and budget.
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.
Some are built for cloud access or rely on browser-based encryption. It’s designed for internet users who want maximum anonymity, but it may reduce browsing speed due to the extra layers of routing. Some providers include obfuscated servers as an optional feature.

Slow connection speeds

Okta and Auth0 deliver flexible, secure access. While a VPN is a powerful privacy protection tool, it’s just one layer of security in today’s digital world. Furthermore, a VPN can also be useful for avoiding any online restrictions or censorship that is in place in certain countries and territories. This data can then travel through an encrypted VPN tunnel in secured packets thanks to a process known as encapsulation. That’s because only you can access the data in the encrypted tunnel – and nobody else can because they don’t have the key.

Are VPNs legal?

NordVPN ticks all of the privacy basics and then some, providing unique features for privacy-critical users. On MacOS, both NordLynx and OpenVPN speed test results were faster than my base internet speed, which is extremely uncommon, but can happen in cases where internet providers are limiting bandwidth. We find anything under an average 25% download speed loss perfectly acceptable, so Nord’s blisteringly fast server performance should be virtually unnoticeable. In our 2025 speed tests, NordVPN emerged as the uncontested fastest VPN with a 3% average internet download speed loss.

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.
Each VPN protocol is a combination of encryption methods and transmission protocols. While many encryption methods, or algorithms, exist, most VPNs use the 256-bit AES (Advanced Encryption Standard) algorithm. As well as allowing you to shop online more safely, a VPN can also help you avoid location-based price variations. Journalists, activists, and others living or working in places where information is restricted can use VPNs to access the information they need and communicate more freely.
This ensures it turns on automatically when you start your device or join an unfamiliar network. This prevents your device from defaulting to an unprotected connection. When enabled, it immediately cuts off internet access until the VPN reconnects. Some VPN providers offer a kill switch to protect your data if the connection fails.

Alberto Paolazzi

Author Alberto Paolazzi

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