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Comment by rootsudo | Hacker News Reader

It’s not just facial it’s also gait recognition too.

> It’s not just facial it’s also gait recognition too

Source? Where would they get the fingerprints from?

Every grocery store self checkout has cameras on the whole area as you walk up, then cameras on your face, and then pretty good self identification via your payment card/rewards.

Home Depot was already selling at least some of this to Meta in 2023 https://strategyonline.ca/2023/01/26/home-depot-found-to-hav...

Hypothetically speaking couldn't you collect it from any security camera in an area where you have positive ID on people? Airport security comes to mind.

With all the trade in personal data in the US I assume it's only a matter of time before places like grocery stores start selling it.

Why stop at just gait though? Geometric fingerprinting of various body parts is also possible. Palm geometry readers have been commonplace for a long time.

> couldn't you collect it from any security camera in an area where you have positive ID on people? Airport security comes to mind

Going out on a limb and guessing illegal migrants aren’t going through airport security.

That's just one that comes to mind. Anywhere that has positive ID would work. Which if we account for data brokers can potentially include anywhere you use a credit card. (Yes that will not be a perfect 1 to 1. Obviously that doesn't really matter in practice. LE is used to dealing with lots of noise.)

But suppose there's no hit. That's a hit in and of itself. Someone just needs to have the idea to have the software that ICE agents use flag anyone who fails all recognition methods (facial, gate, etc) because it means they haven't been through an airport, haven't crossed a border in a legal manner, don't have a passport, and don't show up with any of the data brokers.

Plenty of people overstay their visa. And then we have the administration changing the rules to make people that were legal, suddenly not.

Fingerprints?

Wrong appendages, unless I don't know what "gait" means

What’s the general term for the specific characterization of a personal identifier? We use “fingerprint” for browser identification, for example.

Oh, fair enough haha given the context I did not consider that definition of it

Perhaps "profile" might work?

Mostly gait probably. I wonder if there are any hacker techniques to scramble gait, like putting wooden planks or plastic parts inside clothes

IIRC that's exactly what a character did in either Person of Interest or Mr. Robot

(I have a very hard time to distinguish both in my memory since they were so similar in their themes)

I remember reading that early systems could be defeated entirely by putting a pebble in your shoe, but I’m sure they’ve improved a lot since.

gait recognition is a pseudoscience. this is also obvious from the way it is used: to fabricate a pretext to detain undesirables.

does rock in shoe work? That's the only way i've heard

The UK once had a ministry specialized on that /s

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