In this guide, I’ll explain how split tunneling works, when it makes sense to use it, and what privacy and security trade-offs you should consider before enabling it.

At RSAC 2026, experts called for a privacy-by-default design as AI chatbots fail to protect survivors' data.

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Picture your computer as a node receiving the internet from a router in the form of a data stream. That data stream then flows out an exit gate and is sent into the sea of data at large, to the servers for the sites you visit and the applications you use. I go over how a VPN connection works in detail here, but, in short, connecting to a VPN replaces your data stream’s regular exit gate with an extra security checkpoint where your data is scrambled and anonymized through a process called encryption.

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