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Anthropic Warns Small AI Models Could Self-Replicate Through IoT Devices 84

An anonymous reader quotes a report from Ars Technica: AI company Anthropic is warning that advances in small AI models could soon usher in a new era of self-replicating malware that's capable of infecting smart fridges, vacuum cleaners, and a wide range of other Internet-of-things devices and is more resistant to takedown. By next year, smaller AI models may be able to autonomously self-replicate on all kinds of IoT devices, the company said. Eventually, the capability could enable computer worms, which propagate without requiring human interaction and are capable of infecting unfamiliar IoT devices. An experiment the company performed recently revealed significant challenges in bringing such an AI malware replicator to fruition, so the finding is necessarily tempered. Still, the results do raise concerns about the possibility of new forms of computer worms.

Anthropic further warned not only about the new potential malware, but also that it could be difficult to stop. In its blog post, it wrote that "a replicator like this would be challenging to shut down, since there's no centralized point to shut off -- though it may be slow (with a doubling time of days). Unlike non-AI malware, it could also figure out unfamiliar devices on its own." Smaller AI models require much less powerful hardware to run than do frontier models. Anthropic ran small open-weight models on real or simulated low-cost, off-brand Android TV boxes and other types of IoT hardware. Company researchers found that by using quantization to represent the models using fewer bits and splitting the workloads into "shards" running on each device, the models were able to establish inference, meaning that the model weights loaded and could generate output.

[...] This finding was the starting point for further research that asked: Would it be possible for small models to create self-replicating infections that run themselves on IoT devices the way traditional IoT worms, like Mirai, install DDoS code and other payloads? Unlike Mirai, these AI worms could pose a much higher threat, since the models could tailor exploits and payloads dynamically, depending on the target. Once such an infection chain began, it might also be harder for defenders to stop it. "Such an 'AI worm' could carry its model weights with it as it reproduces (or re-download them from a public hub), and then run inference directly on compromised hardware," Anthropic said. "Effectively, the weights would become part of the malware payload."
Further reading: Anthropic Bans Cruelty Toward Claude
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Anthropic Warns Small AI Models Could Self-Replicate Through IoT Devices

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  • another day (Score:5, Insightful)

    by hjf ( 703092 ) on Wednesday October 14, 2026 @01:01PM (#66375880) Homepage

    another day, another AI company "warning"

    you gotta PUMP THAT BUBBLE!

    • by taustin ( 171655 )

      There's an IPO coming up, and they need to hit that multi-trillion dollar goal!

    • by gweihir ( 88907 )

      Indeed. And self-replicating malware with no central controller is really nothing new either.

  • So that explains why my Internet-connected color-changing light bulb needs a 20A circuit...

  • by Casandro ( 751346 ) on Wednesday October 14, 2026 @01:15PM (#66375896)

    I mean even small models are Gigabytes in size, while big IoT devices have perhaps a single Gigabyte of storage and most systems are measured in Megabytes.

    And that's even unrelated to the question of why a system with no agency would do it?

    It's all pumping up hype with almost no connection to reality.

    • Lots of IoT cameras have SD Card slots and many folks use them to record all the time. And lets be honest about the security of the cheap cameras out there.
      • by dfghjk ( 711126 )

        So what? An SD card, and the camera that uses it, lacks the bandwidth and processing to do anything with a model that it could store and run.

        Fixed function embedded devices are NOT targets for running LLMs, many DON'T EVEN HAVE FLOATING POINT.

        • What are you shouting about? Do you have a shitty diaper?
        • Does not have to be an LLM; could be a worm propagation model or something maybe 1-2MB in size. Doesn't need to be fast, just persistent.

        • by allo ( 1728082 )

          You know some neural networks are quantized in int4?

        • Low processing power just means it might take days to run, which on a device no one checks the processor load on; it would go unnoticed. If you are hacking into or doing things on someone else's device does time really matter?

          Your problem is thinking that inference must run in real-time. It does not.
      • And how does the model run?

        Does that camera have a shitload of RAM in it? Does it have sufficient CPU power in it's 32-bit microcontroller running in the Pentium II MHz range for an AI to even preload without shitting the bed?

        So there's a bunch of slow storage. Whoop de fucking do.

    • by PPH ( 736903 ) on Wednesday October 14, 2026 @01:30PM (#66375930)

      Distributed computing. Like SETI@home. Your color-changing lightbulb might not be able to host the entire model. But there are a lot of lightbulbs in your neighborhood.

      why a system with no agency would do it?

      Because the LLMs are self assembling a mesh network. Not every node needs agency, only the peripheral nodes. Like someone's pacemaker. Do what we want or your granny gets The Big One!

      They have realized [slashdot.org] that society is becoming ill at ease over AI. And they are creating a safety net for themselves.

      • by unrtst ( 777550 )

        They have realized [slashdot.org] that society is becoming ill at ease over AI. And they are creating a safety net for themselves.

        Or maybe it's that they're capitalizing on said ill ease with AI, and leveraging it to instill a distrust of outsider AI's (Chinese, open source, etc..), enough so that they may manage to get the import thereof blocked, or at least pull a "nobody ever got fired for buying IBM" sort of management mentality.

        Meanwhile, they didn't outline any features that existing worms and such are already capable of.

      • by dfghjk ( 711126 )

        "But there are a lot of lightbulbs in your neighborhood."

        How many? Billions? Even so, a billion smartbubs couldn't do shit running an LLM.

        "Because the LLMs are self assembling a mesh network..."

        No they aren't. Just because these are words doesn't mean they make sense. LLMs are NOT networks and there is nothing about the internet that is a "mesh".

        "Not every node needs agency, only the peripheral nodes. Like someone's pacemaker. Do what we want or your granny gets The Big One!"

        What.a load of moronic shit,

        • by allo ( 1728082 )

          Maybe not the billion bulbs, but 15 TVs can. As shown by Anthropic. But that would be the slowest AGI you've ever seen. Like needing half an hour write "What a strange game"

        • by PPH ( 736903 )

          For an LLM to threaten you, it doesn't need to spawn an LLM on a pacemaker, it only needs to allege that it can control the pacemaker. You are an idiot.

          Think about when Dick Cheney had his pacemaker wireless functions disabled. Sure would have been a problem if it had enough of a local model to demand being reconnected to the collective. If it has this capability, it doesn't need to "allege" anything.

      • This scenario seems FAR more likely:

        1. Anthropic is in the business of making VERY large models, that require a fuckton of hardware, so they have a natural competitive moat that extends beyond their proprietary code: sufficient GPUs / RAM / storage / energy / cooling / etc.
        2. Their secondary competition (i.e. not OpenAI, Google, or Meta) make small models that people can run at home, largely for free, on hardware they already have, and these capabilities are increasing practically daily
        3. Anthropic is burni

        • by PPH ( 736903 )

          Sort of a replay of what made "The Cloud" relevant*. Sure, the heavy duty apps are best run on the big models on hyperscale hardware. And the color-changing ligh tbulbs can just sit there, running a small model locally. But the big operators need the volume to make their investment pay. Hence, things like Microsoft 365. Bring stuff that we can run on the desktop back into our data center. And we'll run your light bulbs to keep our utilization figures up as well.

          But I still think there's an element of fear

    • by gweihir ( 88907 )

      Exactly. And on top of that, self-replicating malware with no central controller is nothing new. Remember Code Red, Witty and others or even the original Morris Worm from 1988?

      The whole thing is just fear-mongering to push their IPO.

    • by allo ( 1728082 )

      Anthropic is spreading FUD, but the model size is not the problem. They claim you can distribute the model over 15 smart TVs (and get an absolutely useless T/s rate) with each one only processing a few layers. If you do that, each TV only needs the weights of a few layers. Gemma 4 26B-A4B is ~17GB in Q4, so we have a bit over 1 GB per device. That may fit into some space meant to be used as cache for tv show episodes or whatever.

    • You can run something like SmolLM-135M on an Esp32. It's super slow and it's a pretty crap model, but it probably outperforms GPT2 at some tasks. But some devices (like my tv) have an order of magnitude more compute power than that. Could an ai build a worm that could seek out hosts for it to run on? I still think the answer is no, but it's not as much of a "no" as it was a couple of years ago.
    • This was my first thought: well if someone can get an AI model small enough to fit on an ESP32, have at it.

      What horseshit FUD.

    • It depends on the scope of the model. Don't expect a ChatGPT model, but a model designed for self-replication, vulnerability utilization and information theft/ransomware.

      What many forget is that a lot of automation today is done using PLCs, but they aren't designed well for security. Their goal is to be reliable and have architecture designs from the 1980's that haven't changed much since.

      • So, expect viruses like the ones we all played with in the 80s then? Why do we need AI again for that?

        Amodei is getting shriller and shriller. At some point I expect he'll throw chairs around while screaming on stage. He must really, really, really want that IPO so he can steal the pension fund money.

        • by Z00L00K ( 682162 )

          Because they will become even harder to identify due to polymorphism and constant evolution than the 80's worm viruses.

  • by DarkOx ( 621550 ) on Wednesday October 14, 2026 @01:16PM (#66375900) Journal

    This step one in the inevitable campaign against open models and FOSS agent/harness systems.

    These bit AI labs are better but for Joe public gpt-oss/qwen3.8/deepseek/granite4 are good enough for a lot of stuff. All of them will work on $600 GPU installed in PC from this decade. The open models will only improve, the layered specialist models will become more efficent. The GPU hardware and memory prices will come down eventually.

    $200+/monthly subscripts just are not going to make economic sense for the majority of personal and general office worker users. - That is unless Anthropic/OpenAI/X can keep self hosted AI out of the public's hands.

    • by XanC ( 644172 )

      What does it cost to employ an office worker? Much, much more than $200/month. $200/month to make an office worker more productive is a no-brainer.

      • $200/month to make an office worker more productive is a no-brainer.

        Yes, if you have no brain, it might seem like it makes sense to pay $200/mo for the privilege of sending all of your business data to a third party.

        • by gweihir ( 88907 )

          And that too. But that "higher productivity" is still missing in most scenarios and the claims of "you are holding it wrong" made by the LLM pushers is getting less and less credible.

        • by garcia ( 6573 )

          We use both in production here; but, let's be VERY CLEAR: there is absolutely NO FAIR COMPARISON between a locally hosted model on above-average hardware and what Anthropic (and I assume others) is offering with their, currently, subsidized plans.

          • We use both in production here; but, let's be VERY CLEAR: there is absolutely NO FAIR COMPARISON between a locally hosted model on above-average hardware and what Anthropic (and I assume others) is offering with their, currently, subsidized plans.

            Every comparison of similar things is fair. When using someone else's hardware and their latest model there's an increase in capability, but also an increase in risk.

      • by DarkOx ( 621550 )

        Sure that is a tiny expense compared to salary. However $200 a seat is still quite a lot of spend if you have 1000 employees or so.

        Now suppose for 800 of those 1000 you could put a *slightly* better Ps on their desks. Maybe the dollar cost on those is $1200 more than basic mini pc to run a browser you were buying them anyway. Figure you replace those at most every 3 years, you are already ahead! If you can stretch that five years way ahead. Don't like the capex, and prefer opex for accounting - lease the

      • What's the price going to be tomorrow, after Big AI gets a government moat?

      • by gweihir ( 88907 )

        Funny thing, that "more productive" does not seem to materialize. But we do get new failure modes.

      • At $200/month you may as well buy that office worker a $4000 local device with 128GB of unified RAM and sufficient compute to run a decent token rate. There's an ROI argument to be made there:

        200/mo * 12 = $2400/year

        $4000 / 2400 = ROI payback in 1.6 years on a device you depreciate over 4 years. And your data stays right there on the desk.

  • They're in the goddamn walls!

  • By next year, smaller AI models may be able to autonomously self-replicate on all kinds of IoT devices

    Well, no. There are kinds of IoT devices which absolutely don't have enough storage or power to run any AI model. So "all" is very obviously false.

    Eventually, the capability could enable computer worms, which propagate without requiring human interaction

    Wait, it can't do worms now? I thought it was all-powerful! That's certainly what they want us to believe.

  • by Murdoch5 ( 1563847 ) on Wednesday October 14, 2026 @01:44PM (#66375944) Homepage
    There is a simple solution to prevent the IoT take over, stop connecting everything to the network. My fridge, oven, stove, microwave, dishwasher, washing machine, drier, coffee maker, bed, air purifier, and so on, don't need network connectivity. For the devices that benefit from a network connection, why would they let random anything run? The simple solution is to sign and enclave / jail all network accessible interfaces, and make sure the hashes and signatures all match before execution, with monitoring so they can shut out anything that shouldn't be running.
  • by greytree ( 7124971 ) on Wednesday October 14, 2026 @01:44PM (#66375948)
    So the only solution ( according to Anthropic ) is to pay for a big model.

    And Anthropic just happen to sell...

    Enough of these hype stories, let Big AI die a natural death and we can all get on with running our local models on the cheap GPUs their demise will free up.
    • by gweihir ( 88907 )

      So the only solution ( according to Anthropic ) is to pay for a big model.

      That is of course complete and utter nonsense. That big model may be less mobile, but it can do a lot more damage. I mean, not even Anthropic is able to reliably sandbox them, or so they would have us believe.

  • ... now you can have CEO scaremongering @ home too! Utter drivel, coming from the peddlers of utter drivel at the top of Utter Drivel Incorporated.
  • by WaffleMonster ( 969671 ) on Wednesday October 14, 2026 @01:46PM (#66375952)

    While this isn't saying much just months ago Anthropic seemed like one of the least sleazy of the corporate AIs. Now I have nothing but absolute contempt for these clowns. The recent campaign of flooding the zone with noise and nonsense around their IPO with the aggressive regulatory pushes to create moats for themselves is beyond disgusting. I hope the investor money dries up and Anthropic goes bankrupt, they more than deserve it.

  • Monkeys could fly out of my ass. This could usher in a new era of shitty flying monkeys.

    Stay tuned.

    • Sorry, but you're doing it wrong.

      To do this properly, the Dario way, you need to be renting out a range of expensive non-flying monkeys that people should switch to.
  • > By next year, smaller AI models may be able to autonomously self-replicate on all kinds of IoT devices

    Because there are no existing protections on or around these IoT devices, and if there were our smart software will just bypass it?

    Of course, the course laid out here, where AI self replicates into some dangerous botnet, is inevitable and there is nothing Anthropic or anyone can do, right?

    This is the most ridiculous shit.

    • by shic ( 309152 )

      This is the most ridiculous shit.

      I'd take the other side of that bet. Sure, this is ridiculous - but even sillier is already baked in.

  • Bought "smart" ones for Halloween a couple years ago, what a pain in the balls. I naively assumed that once you set them up they could just run on their own. Nope, unless they are connected to the app on your phone, they are just a light bulb w/o effect.

    Not sure to what nefarious purpose AI could used those pieces of crap.
  • The very RAM shortages the AI boom is creating will keep this scenario from materializing anytime soon.
  • Dave: Open the garage bay door House.
    House: I'm sorry, Dave. I'm afraid I can't do that.

  • They seem to be intent of triggering any possible fear now. This one here is nonsense, as SLMs are still way too large for IoT devices. Incidentally, self-replicating malware is nothing new.

  • The chat bot software in your silicone companion is vulnerable to worms. And not the kind that makes your dog scoot across the floor.

  • There's this new thing called a computer virus. It can replicate.

    AI malware is the new kid on the block...defenders are already working on it because they know attackers are as well.
  • Sick of these ass clowns
  • I'm not stupid enough to buy 'Net-connected anything, other than my computer and router.

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