Many people, including EFF, thought that VPNs were also a useful tool for encrypting your traffic... But new research from Leviathan Security demonstrates a reminder that this may not the case and highlights the limited use-cases for VPNs.
TunnelVision is a recently published attack method that can allow an attacker on a local network to force internet traffic to bypass your VPN and route traffic over an attacker-controlled channel instead.
TunnelVision exploits the Dynamic Host Configuration Protocol (DHCP) to reroute traffic outside of a VPN connection. This preserves the VPN connection and does not break it, but an attacker is able to view unencrypted traffic.
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