Smart TVs take snapshots of what you watch multiple times per second
Smart TVs take snapshots of what you watch multiple times per second
By Jeremy Hsu on September 24, 2024
Popular smart TV models made by Samsung and LG can take multiple snapshots of what you are watching every second – even when they are being used as external displays for your laptop or video game console.
Smart TV manufacturers use these frequent screenshots, as well as audio recordings, in their automatic content recognition systems, which track viewing habits in order to target people with specific advertising. But researchers showed this tracking by some of the world’s most popular smart TV brands – Samsung TVs can take screenshots every 500 milliseconds and LG TVs every 10 milliseconds – can occur when people least expect it.
“When a user connects their laptop via HDMI just to browse stuff on their laptop on a bigger screen by using the TV as a ‘dumb’ display, they are unsuspecting of their activity being screenshotted,” says Yash Vekaria at the University of California, Davis. Samsung and LG did not respond to a request for comment.
Vekaria and his colleagues connected smart TVs from Samsung and LG to their own computer server. Their server, which was equipped with software for analysing network traffic, acted as a middleman to see what visual snapshots or audio data the TVs were uploading.
They found the smart TVs did not appear to upload any screenshots or audio data when streaming from Netflix or other third-party apps, mirroring YouTube content streamed on a separate phone or laptop or when sitting idle. But the smart TVs did upload snapshots when showing broadcasts from the TV antenna or content from an HDMI-connected device.
The researchers also discovered country-specific differences when users streamed the free ad-supported TV channel provided by Samsung or LG platforms. Such user activities were uploaded when the TV was operating in the US but not in the UK.
By recording user activity even when it’s coming from connected laptops, smart TVs might capture sensitive data, says Vekaria. For example, it might record if people are browsing for baby products or other personal items.
Customers can opt out of such tracking for Samsung and LG TVs. But the process requires customers to either enable or disable between six and 11 different options in the TV settings.
“This is the sort of privacy-intrusive technology that should require people to opt into sharing their data with clear language explaining exactly what they’re agreeing to, not baked into initial setup agreements that people tend to speed through,” says Thorin Klosowski at the Electronic Frontier Foundation, a digital privacy non-profit based in California.
For example, it might record if people are browsing for baby products or other personal items.
Don't mind baby products and dildos or whatever.
They could see bank activity and even login credentials when someone is temporarily displaying their own passwords.
This basically ignores all security measures regarding everything. Sensitive communication, company secrets and so on.
That's fucking seriously huge. What the fuck?!
Actual paper here.
https://arxiv.org/html/2409.06203v1
It is not sending full screenshots as anybody technical would already have guessed. It's a few KB over an hour, so it's content recognition hashes.
Opt out anyway. Their study shows the opt out option does indeed opt you out of it.
THIS is piracy. Along with all the other personal data selling.
You hear that? It's a whisper.... It's a multinational multibillion dollar class action lawsuit coming after Samsung and LG. WTF!
Friendly reminder that gaming console monitors, computer monitors, projectors, dumb TVs, and commercial displays exist.
Yes, I could hack a smart TV to disable its networking capabilities. (Merely withholding my wifi password is not reliable.) But that would still be showing the manufacturers that I find spyware TVs acceptable, and supporting the production of those models.
Also, this would be a good time to pressure our legislators into criminalizing this nonsense.
They collect all this data and then still cancel the most watched/best shows.
Morons.
The only sensible way to operate these TVs is with no internet connection. We run our entertainment through an AppleTV. If that ever starts showing ads at rest, I’ll replace it with a Mac mini or a NUC. Fuck these companies and their race to the bottom.
"They found the smart TVs did not appear to upload any screenshots or audio data when streaming from Netflix or other third-party apps, mirroring YouTube content streamed on a separate phone or laptop or when sitting idle. But the smart TVs did upload snapshots when showing broadcasts from the TV antenna or content from an HDMI-connected device."
The world is owned by a big club, and you're not in it.
Don't let your TV connect to the internet. I have mine on my wifi so I can control them using Home Assistant, but they're on an isolated VLAN with no internet access.
Edit: Of course, this only works if you use an external box for streaming, like an Nvidia Shield, Apple TV, Google Chromecast TV or whatever they call it now, etc.
I've said it before and I'll say it again, corporations treat you like a product. Whether you buy something from them or not. People are becoming the product that they sell.
I usually don't care very much until it starts to affect pricing for stuff based on some algorithms impression of how desperate you are. That algorithm started with travel (airlines, online booking fees for hotels and stuff) and has expanded.
If I need a new computer because mine isn't working, I don't really care that advertisers come at me with ads for their computer products. I need one, they want me to buy one, it's marketing. No worries.
If I need a new computer and suddenly all the prices for new systems goes up by $100 because it thinks I'm desperate enough to pay that, now I have a problem.
I still don't like them selling my data, and I'll do what I can to avoid it, but marketing is going to do marketing things.
So I guess they learned nothing from the last class action lawsuit https://topclassactions.com/lawsuit-settlements/lawsuit-news/lg-samsung-sony-class-action-alleges-smart-tv-privacy-violations/. Also reminded me of this past gem from LG: https://arstechnica.com/information-technology/2013/11/lg-smart-tv-snooping-extends-to-home-networks-second-blogger-says/.
wtf?
They're eating the dogs. 😊
That's both disturbing and completely expected. I've generally always preferred monitors over TVs tbh, this is just another reason for it lol
Time should have stopped to 1999.
/song note emoji/I always feel like/end song note emoji/
Installed pi-hole this week. Number one blocked domain with 1600 queries.... Scribe.logs.roku.com.
I got a nice LG C3 on an open box deal, I connected it to run updates and fiddle for a few, then deleted the apps and took it offline.
Jokes on them tho, they lack common understanding.
I watch a video about someone modding a shitbox and they think i can afford this new spyker sports car or any other 80k e car.
Obviously that shit is a swing and a miss. You want to give me advertising that suits me? Start by advertising stickers about cars because that's something i could afford...not something i would buy tho.