Complete Security and VPN Vocabulary Reference | 2024
Last Update 10/11/2024Welcome to the largest and most comprehensive Security and VPN Vocabulary Reference available online. This extensive glossary covers every essential term you need to know, from basic definitions to advanced concepts. Whether you're a beginner looking to understand the basics or an expert seeking detailed explanations, our glossary is designed to enhance your knowledge and keep you informed about the latest in cybersecurity and VPN technology. Dive in and master the language of online security and privacy.
VPN (Virtual Private Network)
A VPN creates a secure, encrypted connection over a less secure network, such as the internet.
For a thorough explanation of what a VPN is and how it operates, visit our dedicated VPN page.
IP Address (Internet Protocol Address)
A unique string of numbers assigned to each device connected to a network that uses the Internet Protocol for communication.
Encryption
The process of converting data into a code to prevent unauthorized access.
Protocol
A set of rules governing the exchange or transmission of data between devices.
Tunnel
An encrypted connection through which data is securely transmitted.
VPN Client
Software installed on a user's device to connect to a VPN server.
For a thorough explanation of what a VPN is and how it operates, visit our dedicated VPN page.
VPN Server
A server that provides VPN services, encrypting and routing traffic.
Anonymity
The state of being anonymous, achieved by hiding one's identity online.
Authentication
The process of verifying the identity of a user or device.
Kill Switch
A feature that disconnects your device from the internet if the VPN connection drops.
Split Tunneling
A VPN feature that routes some of your traffic through the VPN and the rest through your local network.
Double VPN
A feature that routes your internet traffic through two VPN servers for added security.
Obfuscation
Techniques used to make VPN traffic look like regular internet traffic, bypassing VPN blocks.
DNS Leak
A security flaw that occurs when DNS queries are exposed outside the VPN tunnel.