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Could the government do this to cell phones?
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2023-06-22 at 12:40 AM UTCCovert Acoustical Mesh Networks in Air
https://arxiv-benchmark.informatik.uni-freiburg.de/data/benchmark/pdf/1406/1406.1213.pdf -
2023-06-22 at 1:30 AM UTC
Originally posted by Cowboy2013 So if you have a cell phone in airplane mode or turned off could they have an airplane or something fly over and send out some kind of pulse so it could be detected and read/located?
I know that's kind of how RFID works. Could they do it to a SIM card?
I'm just curious. I read in the middle east or somewhere where the CIA was doing something evil, they wouldn't trust turning a phone off but using Faraday cages and whatnot. I think this was before smartphones.
Push Pull Rheem Rim -
2023-06-22 at 1:35 AM UTC
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2023-06-22 at 2:47 AM UTC
Originally posted by Migh Could they ever power them on from a distance?
since the baseband processor's instruction set is proprietary it's possible that it has a function to power up the rest of the phone or send custom instructions to the main cpu
we know that in the case of the NSA's custom hard drive firmwares/backdoors they had the cooperation of over 30 manufacturers so there's no reason not to think processor manufacturers are just as compliant, especially since their products have to be FCC certified -
2023-06-22 at 2:50 AM UTC
Originally posted by ⠀⠀⠀⠀⠀⠀ Acoustic air gap networking is totally possible, even if the device is powered off and has no battery in it.
https://en.wikipedia.org/wiki/BadBIOS
badbios was probably a hoax
Originally posted by ⠀⠀⠀⠀⠀⠀ Covert Acoustical Mesh Networks in Air
https://arxiv-benchmark.informatik.uni-freiburg.de/data/benchmark/pdf/1406/1406.1213.pdf
sure but you still need to physically set up transceivers -
2023-06-22 at 4:56 AM UTC
Originally posted by Jiggaboo_Johnson "Can a phone be tracked if it's turned off? A phone that is turned off is difficult to track because it stops sending signals to cell towers. However, the service provider or internet provider can show the last location once it's switched back on."
↑ this man believes his teethpaste is "anti-gingivitis" because it says so on the box.
also on topic,
your smart phone never really goes into an airplane mode when you turn on the airplane mode. -
2023-06-22 at 5:40 AM UTCTrue. Your phone communicates even off, with no battery in it, and no SIM.
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2023-06-22 at 6:54 AM UTCa lot of these methods yes you do have to know a general area to search beforehand, you cant just pinpoint it from space. most of these is assuming you can meet condition X and Y and if most aren't zero day flip a switch read his thoughts and require and agent to plant the device
that being said we know only the ANT catalog from 2008 and a few others but technology is advancing rapidly. They could have hundreds more that just need one thing you never thought of. They probably thought of that year ago, it's an arms race
to compete against that you have to estimate and predict based on almost zero data what security trends/vulnerabilities come up and hey if you can do that you might as well quit your day job too
people dedicate their lives to this, it's an unstoppable force meets and immovable object
how do I make this work for me
I have a windows xp computer lol
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2023-06-22 at 12:04 PM UTCStill no.
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2023-06-22 at 12:04 PM UTC
Originally posted by ⠀⠀⠀⠀⠀⠀ Acoustic air gap networking is totally possible, even if the device is powered off and has no battery in it.
https://en.wikipedia.org/wiki/BadBIOS
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2023-06-22 at 12:07 PM UTC
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2023-06-22 at 12:16 PM UTC
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2023-06-22 at 12:39 PM UTCNever seen it
I hear airplanes all the time though and read all kinds of shady shit the government does. If you NEEDED TO FIND THE PERSON a small amount of fuel in a grid pattern search over an area is a small price from an operations budget, that's nothing -
2023-06-22 at 1:02 PM UTCIn theory, yes, you can detect powered off radio receivers by sending out a strong signal and then listening for receiver's antenna, which is resonant with the frequency, to retransmit a tiny amount of that energy.
In reality that simply isn't a practical means of detecting receivers.
That didn't stop the Brits sending out TV Loicence Detector vans to drive up and down various streets in order to scare people into paying their Loicence fees (they worked on a similar principle).
https://en.wikipedia.org/wiki/TV_detector_van -
2023-06-22 at 1:17 PM UTCsee the bit about interacting with baseband transceiver chips
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2023-06-22 at 1:27 PM UTCNO, I read NSA schematics and it's very simple, thats an average commcercial altitude they designed it to work at those exact heights. They already know what they are looking for and generally where
it doesn't read thousands of phones it reads ONE, yours or whoever they want anywhere they want. and if for some reason that doesn't work they have 100 other wild wacky methods
it's not a matter of if, but when and how. You're not reading/watching not enough anything to not know this. -
2023-06-22 at 1:30 PM UTCThey have fucking hacks that will rip your composite video signal out through the airwaves by determining the acoustic electric frequency of the RGA signal
in short ,destroy all machines, never use anything made by anyone. That's how to stay safe
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2023-06-22 at 1:30 PM UTCStill no.
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2023-06-22 at 1:31 PM UTC
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2023-06-22 at 1:34 PM UTC
