this post was submitted on 04 Aug 2024
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Privacy
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You have your phone on you, right? And he has his phone on him, right? And your phone's are constantly near each other, riiiiiight? Do you maybe see where this is going?
Your "Internet profile" is being linked to his "internet profile" because they can see you are constantly together. So they assume friends/relatives/coworker. But they also see that you're together at times people who are couples are(late at night while asleep, for example). So with basic time and location data, they've determined you're a couple. And that becomes another metric in your profile. Things that he likes, it will assume you like or are at least interested in, and same for him. All you had to do was type in the other language a few times and your profile got "speaks X" added to it. And him, by dating you, now has "knows someone who speaks X regularly" attached to his profile.
It's really very easy. Now imagine that everything you do is being catalogued like that. Then cross referenced with other people they know more about to flesh out more inferences about yourself("you like x and y? 98% of people who like X AND Y also like Z, so let's advertise Z to them".
It seems like magic but it's just advanced statistics in action.
What I'm saying is I don't have an internet profile like they do. I have never researched this language on the internet and have only purchased books for it in cash without a cellphone on me, so this specific overlap is weird
I'm not saying "oh wow, the NSA has a profile on me, how??", I'm saying, I have kept this specific data private from my direct internet connection, how are the data brokers targeting family member devices
Says the person with a Lemmy profile. Do you pay bills online? Do you search things? Use maps?
Congrats, you have a shadow profile out there logging all the data about you.
You didn't keep shit private if you're carrying a GPS tracker on you at all times, which you are(your phone). You are VASTLY misunderstanding digital privacy and how statistics works. You don't have to type a single foreign language word for them to know you speak it. Just go to places and hang around people that it knows speaks it and it'll make the assumption. Every person you interact with who shares EVERYTHING is, congrats, basically a snitch on you as well.
It's statistics, like I said.
So your theory is the there is no opsec if any cellphones or anything with GPS are involved?
That sounds legit. If your GPS location is on at all times (assuming this is on your cellphone), then they've got enough geolocation data to associate you to your partner.
And if it's off? Your SIM card is acting like a GPS (though a less-accurate one than your phone). Do you trust your mobile service provider to not be selling this data? (And this would be even more of a factor if they're also your partner's service provider, and/or your ISP)
Yeah, so a mitigation would be to remove the GSM chip and be WiFi only, with a Faraday cage to ensure the WiFi is not on by accident or the software is backdoored. Also would need to remove the mic and speakers to avoid any cross chatter
But at that point might as well just have a laptop with external WiFi only
Anddd... You use wifi to connect to their servers, so they'll have your residential ip (unless you got a VPN on at all times... And even then there's probs some way to fingerprint you enough). Partner uses the same wifi network and your profiles are linked again...
There really just is no way to completely escape. Blocking all ads and trackers on a DNS level (using a pi-hole or external service like nextdns[paid, but its pretty good]). Is a good solution though, at least you won't need to actually see ads