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

We clocked an underwhelming 49% average internet speed loss in our 2025 speed testing. Apple users will appreciate split tunneling on MacOS — a rarity among VPN providers that few providers besides PIA and Surfshark include. The range of VPN offerings is vast, but those two things will help you find a VPN that has the right blend of speed, security and cost.

Are VPNs safe and secure?

Sign up for our newsletter to receive the latest cyber security articles, events, and resources. This reflects a commitment to creating a resilient cyber security environment where every individual plays a crucial role in fortifying the digital defence mechanisms of your organisation. This is precisely where the significance of security awareness training comes into play. In today’s digital landscape, VPNs stand out as a practical tool for securing online activities. Encrypted tunnels can significantly enhance data protection, making them indispensable in a world where cyber threats are ever-present.
A remote access VPN lets employees connect to a remote network securely using dedicated software. Site-to-site VPNs can’t be used by employees at home or in a coffee shop, because the organization has no control over these networks — a remote access VPN is needed for this. They’re used by larger organizations or businesses so that employees can access the same private network and information no matter where they are. While it’s easier to set up than more advanced options, PPTP is full of known security flaws and should be avoided if you want a secure connection. IKEv2 is especially popular with phones because it can easily switch between mobile data and Wi-Fi networks.

Mullvad speeds

VPN protocols are standardized methods that define how data is securely tunneled, encrypted, transmitted, and authenticated between a user’s device and a VPN server over a public network. A Virtual Private Network (VPN) is a network security technology that establishes an encrypted tunnel between a user’s device and a remote VPN server over the public internet. A Mobile VPN extends the secure tunnel concept to mobile devices, allowing users to safeguard online activities while using smartphones and tablets.

Unblock Websites

Without one, it would take millions of years for a computer to decipher the code in the event of a brute force attack. Even if someone were to get their hands on your data, it would be useless. A VPN works like a filter that turns all your data into “gibberish”. If privacy is a concern, consider using a VPN or proxy service to mask your IP address. Your IP address, which stands for Internet Protocol address, is your unique identifier on the internet.
Unlike personal VPNs, business VPNs prioritize controlled access, security, and performance for corporate environments. They’re scalable, spars casino customizable, and equipped with advanced security features like malware protection and DNS filtering. Consumer-grade VPNs are typically managed by the user and rely on shared servers.
A VPN, or Virtual Private Network, is like a secure tunnel for your internet connection. IP2Proxy is a geolocation service to detect anonymous proxies such as VPN, residential proxies, Tor nodes & data centers. Just upload a text file with a list of IP addresses to the batch service via our website and get the IP2Proxy data. AVG Secure VPN keeps your data safe with 256-bit AES encryption — the same encryption that banks and governments use. You need a strong antivirus to protect against malware, spyware, or phishing attacks — in addition to using a VPN service for internet privacy. A VPN service increases your safety and security a great deal, but it is not the same as an antivirus tool.
Internet users in regions with restricted internet access may use a VPN to reach blocked sites. This helps protect sensitive information on unsecured networks, especially when using public Wi-Fi. They also securely connect corporate headquarters, branch offices, data centers, and/or private, public, or hybrid clouds. They provide a safe way for remote users to access internal business applications and resources from any location without compromising security. As discussed, hiding the IP address makes the device appear as if it’s coming from the VPN’s server location—not its actual location. Enterprise VPN products are built for controlled, secure access—not general internet privacy.

• Internet users in regions with restricted internet access may use a VPN to reach blocked sites.
• It prevents third parties from accessing and compromising the network connection and encrypts data all the way to the provider.
• Install AVG Secure VPN for iPhone and iPad to access content freely, encrypt your internet connection, and stay private online.
• With a VPN, hackers and cyber criminals can’t decipher this data.
• Proxies are useful for basic anonymity tasks, such as bypassing geo-restrictions or accessing blocked content, but they do not encrypt data.
• A VPN router is a kind of routing device that enables network communications in a Virtual Private Network setting.

Here’s how to surf securely with a VPN

But Proton VPN works equally well for casual users seeking an excellent VPN for streaming — it even unblocked tough-to-access regional content on Netflix Egypt in our testing. An obfuscation-focused VPN protocol works to disguise your VPN connection as standard web traffic to slip through firewalls. With its extensive international server network and fantastic streaming performance, NordVPN also is one of the top VPNs for streaming when traveling. You can typically install a VPN on your router for whole-home coverage and use it on devices that don’t support native VPN apps, like Xbox consoles or Roku streaming devices. VPNs slow your internet speed because they encrypt your traffic while routing it through a remote server. Geolocation is widely used for traffic analysis, delivering personalized content, and determining the availability of various online services based on the user’s region.

• In addition to being limited in usability and light on security, many free VPNs are fronts for malware distribution, which is why it’s generally best to avoid them.
• As well as allowing you to shop online more safely, a VPN can also help you avoid location-based price variations.
• Consumer-grade VPNs are typically managed by the user and rely on shared servers.
• This makes them less secure and not ideal for handling sensitive information or ensuring complete online privacy.
• RAM-only servers run on volatile memory and are wiped of data when they are rebooted or shut down.
• These protocols use advanced encryption algorithms to ensure that the data being transmitted is secure and protected from prying eyes.
• A VPN concentrator allows an organization to connect several remote networks and clients like workstations, mobile devices, and IoT services to a corporate network.

People with critical privacy needs should only consider a VPN if it’s based in a privacy-friendly jurisdiction that doesn’t have data retention laws that would compel the VPN company to log user data. The fastest VPNs feature an average download speed loss of 25% or less, which shouldn’t be noticeable even on slower connections. CNET staff — not advertisers, partners or business interests — determine how we review products and services. They enable you to connect to a server in a different region or country, replacing your actual IP address with the one assigned by the chosen server. A VPN (Virtual Private Network) or proxy (intermediary server) is commonly used to change an IP address. This technology allows identification of the country, city, and region of the user connected to the internet.
With this type of setup, you can work from anywhere with the same level of network security as if you were on-site. This type of VPN is difficult to set up and maintain, and requires the configuration of networks at all sites. It was created by a Chinese programmer to circumvent internet censorship and bypass firewalls. It’s encrypted with the AES cipher and is considered very secure, but support is very limited for operating systems other than Windows. Responsible for creating the VPN connection, L2TP is often combined with IPsec for security.

Stream or access location-based content

From a business perspective, you need a VPN to provide secure remote access to company systems and data. So for stronger protection, users should pair a virtual private network with antivirus software. Personal VPNs do help protect internet traffic by encrypting data and masking the user’s IP address. This makes it way easier to protect remote users and devices—especially when they operate beyond the traditional perimeter. More specifically, virtual private networks don’t provide complete protection on their own. VPNs are generally safe for transmitting data over the internet but aren’t 100% secure.

So while this outline can help guide the process, it’s important to refer to your provider’s documentation for service-specific requirements. Some steps may also change based on the provider, device type, or network policies in place. It doesn’t provide encryption on its own but is often paired with IPsec for security. Most modern VPN services have phased it out in favor of more secure alternatives.
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.
When you connect to the Internet via a VPN, you appear to use the VPN server’s IP address instead of your actual one. It’s known for its high level of security, configurability, and support. OpenVPN is a popular VPN system that uses open-source encryption technology.
Rerouting your data to a different, remote server allows the VPN to turn that data into encrypted “gibberish,” so it is useless to hackers who try to steal it. This means the VPN host becomes the source of your data, and both third parties and your ISP cannot see or track data that you send and receive online. When you use a VPN, the program hides your IP address by redirecting your internet use through a remote server, which is managed by your VPN host rather than your ISP.