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Kill Switch

Network

It’s like an emergency brake that stops your internet so your real identity doesn’t leak out.

Definition

A feature in VPN software that disconnects all internet traffic if the VPN connection drops unexpectedly.

In plain English It’s like an emergency brake that stops your internet so your real identity doesn’t leak out.

Why this matters

Without a kill switch, a dropped VPN could expose your IP address and activity.

Example

Mullvad VPN includes a built-in kill switch for better leak protection.