If exploitable vulnerabilities are found, they’re addressed quickly by the community of developers that support it. As an open-source protocol, its source code is available for anyone to verify. Popular for its security and speed, OpenVPN is one of the leading VPN protocols. You can change your VPN protocol in the settings of your VPN app. Each VPN protocol is a combination of encryption methods and transmission protocols.

What are VPN protocols?Ī VPN protocol is the set of rules or instructions that create the connection between your device and the VPN’s proxy servers. This level of encryption is so secure that it’s used by banks and governments worldwide - as well as by AVG Secure VPN. While many encryption methods, or algorithms, exist, most VPNs use the 256-bit AES (Advanced Encryption Standard) algorithm. Only your device and the VPN server you’re using can encrypt and decrypt, or unscramble, your data. If anyone examines your VPN connection, they’ll see scrambled data. VPN encryption is the process of using data encryption (encryption protocols) to create a secure tunnel for your data to travel through. Open the VPN app on your computer or mobile device.

Here’s how to use a VPN app to instantly encrypt your data and hide your IP address: What does VPN stand for?Ī VPN is virtual because it’s created digitally - there isn’t a physical cable that reaches from your device directly to the VPN server.Ī VPN is private because it encrypts your data and hides your IP address.Ī VPN is a network because it creates a connection between multiple computers - your device and the VPN server. That’s why VPN connections boost your privacy and security online.Ī VPN funnels your internet traffic through an encrypted tunnel between your computer and a VPN server. Without a VPN, all your internet traffic is potentially exposed to your internet service provider (ISP), the government, advertisers, or other people on your network. This hides your IP address and secures your data, preventing others from intercepting it. How does a VPN work?Ī VPN works by using encryption protocols to funnel all your internet traffic through an encrypted tunnel - a virtual private network - between your computer and a remote VPN server. VPNs aren't just for desktops or laptops - you can set up a VPN on your iPhone, iPad, or Android phone, too.

You’ll also learn how to choose a VPN service depending on your needs. This comprehensive beginner's guide to VPNs will explain exactly how a virtual private network works and why you should use one. That’s why VPN means virtual private network - it’s an on-demand private tunnel through the internet. VPNs hide your IP address and physical location while encrypting your internet traffic so that no one can tell who you are, where you are, or what you’re doing online.

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