Interesting article about an ISP working on a Tor-only SIM card.
With that in mind, one UK grassroots internet service provider is currently testing a data only SIM card that blocks any non-Tor traffic from leaving the phone at all, potentially providing a more robust way to use Tor while on the go.
“This is about sticking a middle finger up to mobile filtering, mass surveillance,” Gareth Llewelyn, founder of Brass Horn Communications, told Motherboard in an online chat. Brass Horn is a non-profit internet service provider with a focus on privacy and anti-surveillance services.
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“The key point is that it is a failsafe, if you don’t have Tor up then nothing can get to the internet,” Llewelyn said.