VPN
What is a VPN?
A VPN (Virtual Private Network) creates a private, encrypted tunnel for your internet connection, masking your IP address so your online activity stays invisible to third parties.
VPN services have grown popular as consumers demand greater control over their data. A VPN encrypts internet traffic, protecting both individual privacy and business communications for remote and hybrid teams.
How does a VPN work?
A VPN routes your internet connection through a remote server operated by the VPN provider. This server becomes the visible source of your traffic, hiding your real IP address from websites, ISPs, and other observers.
All data between your device and the VPN server is encrypted, so even on unsecured public Wi-Fi networks, your browsing activity and personal information remain protected. The encryption layer prevents anyone intercepting your traffic from reading its contents.
What does a VPN protect?
A VPN securely encrypts your data by scrambling it, so anyone who intercepts your information cannot read it. The technology also adds a layer of privacy. Without a VPN, internet service providers can examine your entire browsing history. With a VPN, your search history stays hidden.
VPNs hide:
- Your browsing history: ISPs track nearly everything you do online, even in Incognito mode. A VPN prevents providers from seeing your activity and selling that data to marketers.
- Your location and IP address: Without a VPN, anyone with your IP address can determine your approximate location. VPNs substitute a different IP, keeping your identity and location private.
- Your streaming location: VPNs can change your apparent location to access region-locked content on platforms like Netflix across different countries.
- Your devices: A VPN shields laptops, phones, and tablets from attacks – especially critical on public Wi-Fi networks where devices are prime targets.
- Your web activity: VPN encryption prevents ISPs from logging your browsing history, which also protects you from government data requests directed at your provider.
Is a VPN beneficial?
A VPN encrypts and disguises your data traffic, protecting it from external access. Unencrypted data can be viewed by anyone who intercepts your connection, putting you at risk. VPNs improve online safety while giving you broader access to content and services across the internet. For businesses, VPNs also secure remote employee connections to internal networks and protect sensitive data transfers.
If you’re looking for a provider, see our guide to the best VPNs and best free VPNs.
Related Resources
- Compare tools: Virtual Private Network (VPN) Software — browse top platforms in this category.
- Go deeper: The Best VPN Services of 2025 — in-depth guide with practical tactics.