A VPN conceals your IP address by routing your internet traffic through a remote server, preventing anyone surveilling the network from tracking your online activity. Theoretically, that means no one should be able to identify you when you connect to a network and browse the internet, even your ISP. In practice, though, there are plenty of gaps that hackers can exploit. A while back, Lifehacker covered browser fingerprinting , which uses hundreds of data points, like your hardware specs, operating system version, web browser, and GPU signature, to establish a shadow profile that follows you around even when your VPN is enabled. There's another way cyberattackers can intercept your data, and it involves exploiting a communication leak right inside your browser. Major browsers like Chrome, Firefox, and Edge have a feature called WebRTC that lets them bypass the encrypted Transmission Control Protocol (TCP) tunnel created by your VPN to establish high-speed connections for dema...
