this post was submitted on 01 Jul 2025
249 points (98.1% liked)

Technology

72212 readers
3473 users here now

This is a most excellent place for technology news and articles.


Our Rules


  1. Follow the lemmy.world rules.
  2. Only tech related news or articles.
  3. Be excellent to each other!
  4. Mod approved content bots can post up to 10 articles per day.
  5. Threads asking for personal tech support may be deleted.
  6. Politics threads may be removed.
  7. No memes allowed as posts, OK to post as comments.
  8. Only approved bots from the list below, this includes using AI responses and summaries. To ask if your bot can be added please contact a mod.
  9. Check for duplicates before posting, duplicates may be removed
  10. Accounts 7 days and younger will have their posts automatically removed.

Approved Bots


founded 2 years ago
MODERATORS
top 50 comments
sorted by: hot top controversial new old
[–] pyre@lemmy.world 2 points 22 minutes ago

fucking Batman

[–] cymor@midwest.social 10 points 1 hour ago

I remember when MIT had a paper on this around 2000

[–] kieron115@startrek.website 8 points 2 hours ago

By default, WiFi Motion is set to detect even small amounts of movement in the motion-sensing areas, including motion caused by small pets.

holy shit lol

[–] kieron115@startrek.website 1 points 2 hours ago

DOCIS 3.1 involves more than just speed. No point going over the speed limit if all the traffic lights are timed based on a certain speed. https://www.cablelabs.com/blog/how-docsis-3-1-reduces-latency-with-active-queue-management

[–] Glitterbomb@lemmy.world 10 points 5 hours ago (1 children)

Oh boy, I can't wait for this new wave of paranoid customers claiming their wifi is watching them. Thanks, comcast.

[–] possumparty@lemmy.blahaj.zone 9 points 1 hour ago

Well, it very well can be used for exactly that.

[–] WhereGrapesMayRule@lemmy.world 140 points 1 day ago (22 children)

Get your own gateway. Don't rent theirs.

[–] Semi_Hemi_Demigod@lemmy.world 40 points 1 day ago (2 children)

You can buy cable modems cheap, too. No reason to use their crap at all.

[–] JasonDJ@lemmy.zip 22 points 23 hours ago* (last edited 23 hours ago) (17 children)

"cheap" is a relative term.

Nobody should be buying a DOCSIS 3.0 modem these days. They are obsolete and for some reason still being sold.

A decent DOCSIS 3.1 modem is at least $200. A Next Gen like S34 is at least $220. At least at the big blue big box store. And then you have to get your own wifi.

(However, that big blue store also will give you a 15% discount on any networking purchase if you recycle an old network device...I traded in an old modem but you should be able to find a switch or router at a thrift store and still come out ahead)

It pays for itself pretty quick (by not paying rental fees), but that doesn't necessarily make it cheap.

I absolutely prefer using my own equipment, and do...but it's also worth mentioning that in many markets, Xfinity removed data caps if you have a rented modem.

[–] ProdigalFrog@slrpnk.net 16 points 22 hours ago (3 children)

If a DOCSIS 3.0 modem still can't be saturated by the tier of internet someone is paying for, what advantage would 3.1 have?

[–] kieron115@startrek.website 3 points 2 hours ago* (last edited 1 hour ago)

If your provider has implemented it (Comcast is the only one i know of in north america) then Active Queue Management is a huge quality of life improvement that you won't know you were missing unless you already had a router that implements queue management. https://www.cablelabs.com/blog/how-docsis-3-1-reduces-latency-with-active-queue-management

[–] JasonDJ@lemmy.zip 4 points 13 hours ago

Not buying another modem when the ISP quietly upgrades the CMTS and makes more speed available in your neighborhood.

load more comments (1 replies)
load more comments (16 replies)
load more comments (1 replies)
load more comments (21 replies)
[–] adespoton@lemmy.ca 44 points 1 day ago (6 children)

Well yeah. That’s what their tech does. And it’s why I have my ISP’s WiFi offering disabled and the antennas removed and run their router in bridged mode, hooked up to equipment I own that doesn’t call out to the Internet.

[–] avidamoeba@lemmy.ca 7 points 19 hours ago

Faraday cage or bust.

[–] possumparty@lemmy.blahaj.zone 9 points 20 hours ago (1 children)

Doesn't matter for me, my neighbors use all that shit. There's enough latent rf for them to triangulate literally everything happening nearby.

[–] happydoors@lemmy.world 1 points 2 hours ago (1 children)

I live in an apartment building. I wonder if this is useless tech with dozens of WiFi networks from my neighbors going

[–] possumparty@lemmy.blahaj.zone 3 points 1 hour ago (1 children)

If anything it's far more dangerous tech due to that. Let's say you live in 304; They know who lives in 303, 305, 203, 204, 205, 403, 404, 405, and the likelihood that your neighbors aren't as tech savvy and use ISP provided routers and modems means that they can use all of those sources to create a 3d image of you and your apartment with the proliferation of 2.4ghz and 5ghz to create a high resolution image that can track your lip movements and even your keystrokes on a computer. That basically just becomes a multi lens 3d camera recording at 5000 fps. The only way to avoid this is to faraday your entire apartment which ironically makes your signal much higher due to the deployment of countermeasures. The ol' "huh, interesting, what are they hiding?" approach.

[–] happydoors@lemmy.world 1 points 39 minutes ago (1 children)

What the actual Batman fuckery is this. I hope you are wrong or nobody is that motivated to do such things. Either way, scary! Where’s my tin foil hat?

[–] possumparty@lemmy.blahaj.zone 1 points 12 minutes ago* (last edited 9 minutes ago)

I really fucking hope I'm just being paranoid, but this is absolutely possible given the already existing research. AI isn't going to launch nukes, it's just going to facilitate horrors beyond our wildest comprehension.

Edit: This article is from 9 years ago, before the current ai boom, we're fuckin' cooked. https://www.inc.com/joseph-steinberg/how-wifi-lets-people-read-your-lips-identity-you-and-read-your-writing.html

load more comments (4 replies)
[–] peteyestee@feddit.org 37 points 1 day ago* (last edited 1 day ago) (1 children)

Didn't read the article, but it's possible to get a 3d map with wifi. They can probably see you.

There is no privacy or security.

[–] hansolo@lemmy.today 8 points 13 hours ago

They don't need a 3D map, and the researchers who have rendered a 3D map need a lot of specialized software and resources.

Xfinity doesn't need that. They only need to know when people are online, what they're looking at, and who/how many people are watching TV, and if there's indication of pets in the house. That gives them an advertising gold mine of data.

load more comments
view more: next ›