Comprehensive Guide to VPNs: Functionality, Benefits, and Provider Selection
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A VPN (Virtual Private Network) creates an encrypted tunnel that masks the IP address and protects data traffic to ensure online privacy and anonymity. It uses encryption protocols to secure connections, particularly on public Wi-Fi networks, and bypasses geographic restrictions or censorship. Providers like NordVPN, Surfshark, and ExpressVPN offer advanced features for these purposes. No specific technical details (such as protocols or standards like NIST) or dates are mentioned.