No.56702
<LET'S DO SOME INFOSEC WORK SHAZBOTS
This is a new series I am going to make based on the products collectively known as Automatic License Plate Readers (aka ALPRs). There is a lot of mystery and myth surrounding this technology as well as methods of effectively evading it, if any exist at all. Collectively I am confident we can find a solution to the Automated threat
>inb4 if you have nothing to hide you have nothing to fear
Fuck you.
>What is it?
"Typically, ALPR systems are comprised of high-speed cameras connected to computers that photograph every license plate that passes. The photo is converted to letters and numbers, which are attached to a time and location stamp, then uploaded to a central server. This allows police to identify and record the locations of vehicles in real time and also identify where those vehicles have been in the past. Using this information, police could establish driving patterns for individual cars. The type of data ALPRs collect, analyze, and access often depends on what kind of systems they use and how they combine the data."
https://www.eff.org/deeplinks/2017/04/four-flavors-automated-license-plate-reader-technology
( https://web.archive.org/web/20190705211401/https://www.eff.org/deeplinks/2017/04/four-flavors-automated-license-plate-reader-technology )
>Why the concern?
Much like Stringrays (cell towerspoofing MITM devices used by LEO) a few years back, these devices are essentially unregulated. When used by private parties have been they have been able to scan up to 8k license plates in a single day, according to only one study. These databases are up for sale, much like cell location data. The data recorded includes GPS location, scan coordinates, and timestamp. When factoring in this information and without even the consideration of data breaches this clearly becomes an issue to everyone's privacy.
https://www.popsci.com/article/technology/scan-artist/
( https://web.archive.org/web/20190616105746/https://www.popsci.com/article/technology/scan-artist/ )
>Okay shazbot, what can we do about it?
I'm not sure yet, that's what I'm hoping our collective effort can discover. Below I will list some of the methods tried, there viability, cost, and feasibility.
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No.56703
>>56702
This is just to upload the second webpage screenshot.
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No.56704
>>56702
ultra brainlet here, what the fuck is going on
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No.56705
This is a video of California Highway patrol describing the illegality of doing anthing to alter your plates in California and "other states" I've scrapped the Closed captions for your convenience.
On Patrol, 7/30 - License Plate Sprays & Covers
KMPH FOX 26
Published on Jul 30, 2015
https://www.youtube.com/watch?v=0ODmUIAIWH8
"It's time to go on patrol now with CHP officer Johnny Fisher now officer Fisher joining us now to talk about why license guys thank you for joining us I am so pumped to be here today okay first off III don't really understand why that there is even a spray in a cover so what are they yeah um I think we've all seen them going down the road we've seen you know license plates on a nice clean car and right around the numbers it's like really dirty and we're liked what I just thought it was a big went off roading or something maybe yeah they leave they leave the mud on the yeah the licensee yes it's like a scar I love it so how does this happen I mean no and first what's the purpose well it's a it's intentional you know so the one on the right is the one that is dirty and painted dirty it's it's sprayed with like a some sort of adhesive like a crackly it almost comes out like a craft so it takes the the reflective properties away from the I would do that and then well here in California and in many other states we have tolls we have the San Francisco all bridge the toll fees yes yeah and so they have these cameras so if you don't pay the tolls then it takes a picture of your license plate it's a it's a way to evade different you know getting your license plate red so they cannot read it as clearly or it's just not readable at all well what happens is when we use this spray that you can buy online or these license plate covers that reflects the light back and it will it will double expose the picture that it takes and in which case you don't get you don't get zapped for the fine the California Highway Patrol among other agencies we have these license plate readers these cameras that are on our patrol vehicles should help detect stolen vehicles which we have been talking a lot about lately yeah um and so that really helps with recovering other people's property and you know it's uh more importantly I always come on here and I talk about saving people brouzouf right you this is $1,000 fine mmm yep this is a according to the Fresno County Courts Wow this is $1,000 fine so state often um yeah I'm just kinda it's it's kind of a one of those things where you see it and you you can't you can't put anything on it you know - you just have to take the whole you have to take the whole license plate you have to go down to DMV you have to switch out your tabs which I contacted DMV yesterday and it's 20 bucks to switch out your license plate so if you buy a vehicle and you see the stuff that's on there you know spend the $20 go down get your license plates you know changed out"
>>56704
Police, Megacorps, and private parties can use devices known as Automatic License Plate Readers to track you or compare to databases. These databases range from government to private, with the private ones being for sale. I'm trying to find a way of beating them, aside from driving without plates.
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No.56706
>Solution Discovered: Bike Racks
>Viability: 6/10
>Cost: $50 - $100+
>Feasibility: 8/10
Here's a video detailing the methodology used in these systems generally.
ALPR Automatic License Plate Recognition
https://www.youtube.com/watch?v=np-F0xDKBDs
Joe James
Published on Jun 28, 2015
Again, the transcripts are scrapped below for your convenience
"I am joe james in this video I'm going to give you a short introduction to automated license plate recognition or ALPR now you may not realize it but there are cameras all over the place they're capturing your car's image including your license plate number along with the time date and location stamp into a computer database these may be located over freeways over busy intersections or on top of cop cars or private vehicles so some of the applications for a LPR include secure parking car repossession automated toll collection border control drug enforcement detecting cars that have outstanding warrants finding stolen cars tracking terrorist suspects and simply red-light ticketing which we all hate and there may be more applications for a LPR technology as time goes forward now the first step in the license plate recognition process is photographing the car next step is to isolate the plate this is normally done using an edge detection algorithm in the image so when you can isolate the license plate that's the only thing you're interested in the image so next you will adjust the rotation and the skew of the image so that you get a square head-on image from a picture that was probably taken at an angle then you adjust the brightness and contrast so you get a high contrast easy to read image of the digits on the license plate next we're going to segment the characters we section off each character so that we can feed one character at a time into the optical character recognition software now character recognition is done one letter at a time and outputs a string of the entire license plate and lastly the data is transmitted and stored in a centralized server so together with the license pipe a date and time stamp along with the location and direction are typically placed with it now there may be millions or even billions of records in a single database now there are a lot of technical challenges in automated license plate recognition first either the camera or the or both maybe in motion so there could be motion blur which is usually countered by using very high shutter speeds on the camera the camera distance from a car may be a problem low image resolution can be a problem low lighting is often a problem especially when shooting pictures at night of cars and this is usually countered by using infrared technology rain snow or fog may cause a decreased image resolution a trailer hitch bike rack or dirt or other things may block the view of the license plate and there are a variety of license plate sizes colors background art fonts there are international license plates motorcycle license plates government license plates personalized license plates there are a lot of different images on a license plate and these things all present a problem for recognition the processing speed for each license plate is always a fraction of a second to process each car's license plate so as the software gets more sophisticated it typically takes longer to run but it has to run faster and then data transmission problems depending on where you're doing the detection you may have a hard time transmitting data to a central server I hope this short introduction to automated license plate recognition was helpful for you if you liked this video make sure you click the thumbs up button and subscribe to my channel I'm Joe James thanks for watching"
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No.56707
>>56706
Another solution occurs to me thinking about this:
>Solution: Radio Jammers
>Viability: 9/10
>Cost: Varies
>Feasibility: 1/10
(This solution requires that they don't have a local database for the acquired numbers as well as it being VERY ILLEGAL TO JAM RADIO SIGNALS)
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No.56710
>>56707
The key takeaways are is that radio jammers do not work against LEO as they download the database locally, as well as the fact that they are capable of seeing whether or not a car has plates at all. Keep in mind, this is an older video so at the very least there has been an improvement in camera tech. Transcript below.
Automated License Plate Recognition
https://www.youtube.com/watch?v=WA5Gy32aqdo
DeputyKen
Published on Dec 19, 2006
"at the beginning of each shift we download the complete FCIC and NCIC hot list for florida it could be any state database though we download all of the stolen vehicle and stolen license plate information as well as any information and data from our local intelligence units parole office and other local and state agencies this vehicle is loaded with a four-camera ALPR system that's an automated license-plate recognition system called Vera plate we have two forward-facing cameras a side facing camera and a rear facing camera each of those cameras can capture and check one plate every second that's going to give you about thirty six hundred plates per hour or camera if you were actually to come across that guy's traffic the screen gives you here is an overview picture of the entire vehicle and then once that image is captured the software isolates just the license plate and reads it and that's what you see in the Orange Box is the text representation of the plate the software then automatically checks that against a local copy of NCIC FCIC or any other local intelligence databases the rear-facing camera actually allows us to capture traffic going in the opposite direction here in Florida where we only have license plate on the rear of the vehicle that comes in handy on to the pilots the side mounted cameras mounted a 90 degree angle for parking lot applications it's gonna allow me to go through any shopping center Hotel mall apartment complex rest area and literally capture and run every license plate that's in the parking camera click that you're hearing is coming from the cars as I passed by them just lets me know that I have both captured and read a license plate if I don't fear the new sound then I know that I've passed a car with either a illegally mounted plate or no plate at all hey looks like we have a hit here out of Miami Dade Police Department a stolen vehicle so we'll just confirm that that is a correct read and yes on that chevy suburban right there so we'll go ahead and call the auto theft unit and have them set up surveillance on this vehicle here on the interstate we have two forward-facing cameras that are capturing all of the traffic passing either the left or right of our vehicle each of those vehicles is automatically checked against our local copy of the FCIC NCIC intelligence databases we can actually capture these vehicles and speeds upwards of 100 miles now we also have ver plan installed in marked units primarily focused on traffic enforcement really picking up drivers who don't have a license have a suspended license or maybe uninsured traffic enforcement is really just the tip of the iceberg when it comes to what a LPR is capable of doing plans are being put in place right now in regards to national security sights ports airports special events security we also have deployments for counterterrorism and for organized crime a LPR and Vera plate in particular is really going to revolutionize the way we police not only in Florida but all across our country"
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No.56714
well firstly, cover ya license plate with something infrared-opaque/reflective since the article linked mentioned the use of infrared cameras - and the police won't pull you over for having a license plate perfectly visible to the naked eye.
For now, at least, strong potential for evading computer vision by corrupting the border that signifies something as a license plate (maybe white and black squigglies around the plate and white rectangles with black/blue blocky things centered on them placed on random locations of the front and back of your car) - practices that are not illegal afaik, since they don't obscure the license plate to human reading.
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No.56719
>>56702
I'm very interested in this. My city has a few of these. Surveillance is becoming more and more discreet.
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No.56729
>>56719
>>56702
You can find all the locations of stationary cameras here: www.photoenforced.com
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No.56730
>>56714
This is a good but not perfect solution. The cameras used standard imaging during the day. I'm going to look into the pattern scrambling more.
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No.56731
>>56702
my state derezzed tinted license plate covers. i would suggest a reflective covering, but that only works against flash cameras, not video cameras.
don't know if it can be evaded.
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No.56732
>>56731
>www.photoenforced.com
nice
according to this the type used in my toen are red light cameras, which do take a flash photo. so, what kind of clear spray on coating can you see thru, but reflects if you flash photograph it?
i bet they have something at lowe's.
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No.56733
>>56732
https://boingboing.net/2017/10/17/clear-reflective-spray-for-cyc.html
>Albedo 100 is a clear, temporary, spray paint. Just spray it on your pants, jacket, bike, backpack, bags, passenger, whatever. The spray goes on pretty invisibly to textiles, and leaves a bit of a film on leather. It reflects light shone directly on it back in the direction it came from and is very effective for showing someone sitting behind a pair of headlights where you are. The stuff wears off after about a week.
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No.56734
>>56733
the permanent one would probably be better for a license plate.
now to find a way to beat a video camera…
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No.56735
>>56734
>>56731
So a combination of a spray and a cover sounds like the best solution so far
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No.56772
>>56734
Many video cameras are IR capable but have poor IR filters. I bet you could rig an array of high-intensity LEDs that would completely foil cameras at night.
Pic related, same thing but on a hat to hide the face.
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No.56779
>if you have nothing to hide you have nothing to fear
Nonono, this is actually good advice, yo.
No license plate - no problem.
Bike_master_race.jpg
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No.56790
>>56707
Alternatively…
>Solution: a fucking rock
>Viability: 10/10
>Cost: Free
>Feasibility: 8/10
Spray paint, thermite, bb guns, etc. The cameras are more expensive and time consuming to fix/replace than they are to just break. Wear a mask, don't get caught. Ez
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No.56800
YouTube embed. Click thumbnail to play.
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No.56801
>>56790
>Wear a mask, don't get caught. Ez
they are only in high visibility spots on the main street in my town. im guessing thats SOP. so good luck with any of that. i was thinking vaseline. you cant tell the camera is damaged by looking at it, so it would take a city worker to notice after a photo comes in and then do something about it. who knows? that whole process might just be automated, and they might not find out for awhile.
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No.56828
>>56800
This is awesome, thanks fam. I was hoping for something this schway. It appears its a diy kind of thing to. Very schway.
https://www.endlessparts.com/collections/smart-film
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