Your phone's wifi signal can be used to identify your gait (way you walk). Your gait is unique enough that it can be used to identify you. If there is prior video footage of view, it can be matched to that too. Impressive research, scary implications https://nakedsecurity.sophos.com/2019/10/07/wi-fi-signals-let-researchers-id-people-through-walls-from-their-gait/
As far as I understand the article, it is not about using the Wifi signal of the phone's user, but rather to characterize the gait of anyone thanks to its impact on any Wifi radiation.
So, even if you are without any electronic device in your pocket, you can still be identified!
This is much more frightening than simply identifying you with the Bluetooth of your phone...
@freakazoid @xavierluthi That's a pretty dramatic view of things, but i fear there quite a bit of truth to that. And it makes sense, the business strategy for many of these people is to turn everything into a service. So why bother with having an endpoint + wifi access point in your house, when you can just pay monthly for a service that gives you a "ubiquitous, always functional wifi"?
@axx @xavierluthi I don't think it's remotely dramatic. Broadband to the home has progressed much more slowly than wireless broadband, and 5G surpasses the speed and latency of nearly everyone's home Internet connection. Cities are falling all over themselves to hand rights over to the carriers to get it deployed as fast as possible, the main thing being permission to deploy the microcells on lamp posts. It doesn't take much imagination to see where that's headed.
@xavierluthi @axx The carriers are chomping at the bit to be able to charge people a monthly fee for every device that's able to access the Internet. It's also a fantastic opportunity for them to push their own streaming services or charge a fee for independent streaming services to operate.
It's also a fantastic gift to authoritarians: having every device individually registered means they finally get the Internet Passport they've always wanted.
@axx @xavierluthi We will probably be able to hold our ground for a while in places that already have widely deployed wired broadband, but in much of the world mobile is already the only means available to access the Internet. Investment in wired broadband to the home is going to come to a screeching halt, so anyone who wants access to streaming AAA games who doesn't already have the bandwidth is going to have no choice but to switch to 5G for it.
@axx @xavierluthi Incidentally, I think the only way to get people to give a shit about this stuff is to make the technique accessible to more than just governments. When it's not only available to a mysterious shadowy entity people can pretend either doesn't exist, doesn't care about them, or has less capability than it does (or more, if it's necessary to justify a fatalistic view), maybe people will pay more attention.
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