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#model#more#models#better#security#don#gpt#mythos#find#access

Discussion (60 Comments)Read Original on HackerNews

rakejakeabout 3 hours ago
>> Test it yourself, GPT 120B OSS is cheap and available. BTW, this is why with this bug, the stronger the model you pick (but not enough to discover the true bug), the less likely it is it will claim there is a bug.

I guess this is the crux of the debate. All the claims are comparing models that are available freely with a model that is available only to limited customers (Mythos). The problem here is with the phrase "better model". Better how? Is it trained specifically on cybersecurity? Is it simply a large model with a higher token/thinking budget? Is it a better harness/scaffold? Is it simply a better prompt?

I don't doubt that some models are stronger that other models (a Gemini Pro or a Claude Opus has more parameters, higher context sizes and probably trained for longer and on more data than their smaller counterparts (Flash and Sonnet respectively).

Unless we know the exact experimental setup (which in this case is impossible because Mythos is completely closed off and not even accessible via API), all of this is hand wavy. Anthropic is definitely not going to reveal their setup because whether or not there is any secret sauce, there is more value to letting people's imaginations fly and the marketing machine work. Anthropic must be jumping with joy at all the free publicity they are getting.

antirezabout 3 hours ago
In the Anthropic Mythos model cards they explicitly remarked that they didn't want Mythos to be specifically good at security. They trained it to be good at coding, and as a side effect the model is (obviously) good at security. This what happens with flesh hackers too, mostly. Hackers are very good programmers, as a side effect they understand systems well enough that their understanding has security implications.
Hendriktoabout 3 hours ago
Model cards are just marketing material. I wouldn’t trust them one bit.
antirez25 minutes ago
You don't need to trust anyone. GPT 5.4 xhigh is available and you can test it for $20, to verify it is actually able to find complex bugs in old codebases. Do the work instead of denying AI can do certain things. It's a matter of an afternoon. Or, trust the people that did this work. See my YouTube video where I find tons of Redis bugs with GPT 5.4.
mbesto30 minutes ago
And overfitting benchmarks can easily be gamed. Yet here we are with the top HN comment on the HN Mythos thread outlining it's benchmarking performance gains.

I guess we'll never learn.

Yokohiiiabout 3 hours ago
The whole discussion started out as an attempt to disprove/verify anthropics (model card) claims.

He also transfers the logic of their claims to the actual real world. You can say that model cards are marketing garbage. You have to prove that experienced programmers are not significantly better at security.

2983592about 3 hours ago
But they are treated as holy scripture ...
rakejakeabout 3 hours ago
>>> the model is (obviously) good at security

Out of curiosity, are you one of the people who has access to the model? If yes, could you write about your experimental setup in more detail?

zahlmanabout 1 hour ago
> Hackers are very good programmers

This does not match my experience.

Glemllksdfabout 2 hours ago
If its really more expensive per token, it might have more parameters and is then able to hold more context/scope of code.

Rumors say it has 10 trillion parameter vs. 1 trillion.

solenoid0937about 3 hours ago
Mythos isn't restricted for marketing purposes - that would be incredibly dumb because Anthropic would be giving up first mover advantage for next gen models.

It's restricted because it's genuinely good at finding vulnerabilities, and employees felt that it's not a good idea to give this capability to everyone without letting defenders front-run.

That's it. That's all there is to it. It is not some grand marketing play.

rakejakeabout 3 hours ago
Sure, I am not precluding the possibility that they've trained a genuinely great model. All I am saying is that the "this model better than that model" is moot when on one side you have model weights, and on the other side a whitepaper and some accompanying comments on the danger.

I'm not that old but have been here long enough that I remember when GPT-3 was considered too dangerous to release. Now you have models 10x as good, 1/10th the size and run on 8GB VRAM.

the_snoozeabout 3 hours ago
>It's restricted because it's genuinely good at finding vulnerabilities, and employees felt that it's not a good idea to give this capability to everyone without letting defenders front-run.

It's a possibility, but it doesn't eliminate the possibility that it's hype. If these claims were indeed serious, they would submit it for independent analysis somewhere.

This isn't some crazy process. Defense contractors are required to submit their systems (secret sauce and all) for operational test and evaluation before they're fielded.

afthonosabout 3 hours ago
> If these claims were indeed serious, they would submit it for independent analysis somewhere.

They have. 40 different companies that have all committed resources to patching their systems based on vulnerabilities found by Mythos. One of them, Google, is a frontier AI lab that pointedly did not say that their own models have found similar vulnerabilities.

> Defense contractors are required to submit their systems (secret sauce and all) for operational test and evaluation before they're fielded.

Does this look something like having 40 separate companies look at the outputs of the system, deciding that it’s real and they should do something about it, and committing resources to it?

At some point, “cynicism” is another word for “lalala can’t hear you”.

louiereedersonabout 2 hours ago
I don't think you can say this with confidence, outside-in. It's not just about safety. The additional unknown is cost - I don't just mean API cost, but fully loaded cost for a given task. Is the model cost effective for tasks such that it has product market fit?

We don't yet know if Mythos was a level shift in the capability/cost frontier, or a continued extension of the same logarithmic capability/cost curve.

solenoid0937about 1 hour ago
Some people have access to the model for red team purposes as part of Glasswing and they came away quite spooked according to what I heard
jayd16about 2 hours ago
If it wasn't marketing it wouldn't have fancy branding... It wouldn't even be announced.
frank-romitaabout 2 hours ago
Or, They created the illusion that it's restricted for security reasons but in reality they just lack the necessary for this to be used widespread!
2983592about 3 hours ago
How do you know? If you have access you are not unbiased, otherwise you cannot know by definition.

AI companies routinely claim that something is too dangerous to release (I think GPT-2 was the first case) for marketing reasons. There are at least 10 documented high profile cases.

They keep it secret because they now sell to the MIC with China and North Korea bullshit stories as well as to companies who are invested in the AI hype themselves.

Glemllksdfabout 1 hour ago
I prefer a more cautios approach than the musk style were stuff gets fixed after.

And with gpt-2 the worry was mass emails a lot better and more detailed and personal, social media campaigns etc.

How many bots are deployed today on X and influencing democrazy around the globe?

Its fair to say it had an impact and LLMs still have.

SpicyLemonZestabout 2 hours ago
GPT-2 was obviously too dangerous to release at the time! It's OK-ish now, when the knowledge that AI can produce arbitrary text is widely shared. It would have been a disaster for scammers and phishers to get GPT-2 at a time when almost everyone still assumed that large volumes of detailed text proved there's a real human being on the other end of the conversation.
afthonosabout 3 hours ago
> How do you know? If you have access you are not unbiased, otherwise you cannot know by definition.

The platonic ideal of how to dismiss any argument by anyone about anything.

zzzeekabout 3 hours ago
it seems likely it's both a better model to some unknown extent and doing this "we have to give it to the defenders first" thing is super great marketing material. it seems an entirely natural marketing campaign "announce that we can't even give the model to everyone at first, it's so great!", plus there's some truth to it, even better.

unless you are an employee at anthropic and shouldn't be talking about any of this at all, there's no way to know what the model's capabilities are.

dwa3592about 3 hours ago
Fighting over analogies is kind of pointless imo, but if you want me to indulge, here is what I will ask: Do you consider breadth first search better or depth first search better? - the good answer is it depends on the search surface. The same way bugs, vulnerabilities are hiding somewhere on the surface or inside(exploiting dependencies) the surface of the software.

In conclusion - Having a lot of tokens help! Having a better model also helps. Having both helps a lot. Having very intelligent humans + a lot of tokens + the best frontier models will help the most (emphasis on intelligent human).

alex_youngabout 4 hours ago
The whole framing is kind of uninteresting imo. If you spend more time researching code you can find more bugs to exploit / patch is not an earthshaking observation.

Adding the words “by Claude” to it doesn’t materially change it. One could also pay a few humans to do the same thing. People have done that for decades.

drob518about 3 hours ago
Right, but what is interesting is that you can buy it off the rack for the price of tokens. You don’t have to do a specialist search for a security expert, pay a recruiter, hire them, wait for the specialist to start, pay them a signing bonus, pay them an expert-level salary, pay their social security taxes, healthcare benefits, and finally pay for an exit package when you lay them off because the project got canceled. You buy tokens when you need them and you stop buying when you don’t. This was the same dynamic that made cloud computing more interesting than company-owned servers in a company-owned data center. It’s more responsive to business needs and it falls under the development expense budget, not payroll, so you can do it even during hiring freezes.
Glemllksdfabout 1 hour ago
It reduces the cost significantly.

A good security expert earns how much per year? And that person works 8/5.

Now you can just throw money at it.

CIA and co pay for sure more than 20k (thats what the anthropic red team stated as a cost for a complex exploit) for a zero day.

If someone builds some framework around this, you can literaly copy and paste it, throw money at it and scale it. This is not possible with a human.

pixl97about 3 hours ago
This is the weirdest take I've seen.

It takes humans a very long time to learn how to code/find bugs. You just can't take any human and have them do it in a reasonable amount of time with a reasonable amount of money.

Claude is effectively automation, once you have the hardware you can run as many copies of the model as you want. Factories can build hardware far faster then they can train more people.

It's weird to see a denial of the industrial revolution on HN.

alex_youngabout 2 hours ago
A bit uncharitable no?

I’m not denying that LLMs can be used to improve security research, suggesting that their use is wrong or anything like that.

Humans have used software to research security for a long time. AI driven SAST is clearly going to help improve productivity.

pixl97about 1 hour ago
Quantity is a quality.

Humans burned stuff for a very long time now, it's when we started burning coal in mass industrially that the global environmental impacts started stacking up to the point of considerable damage.

qsortabout 4 hours ago
A couple of alternative scenarios, although I'm not sure how much stock we should put in them:

- what if at a certain level of capability you're essentially bug-free? I'm somewhat skeptical that this could be the case in a strong sense, because even if you formally prove certain properties, security often crucially depends on the threat model (e.g. side channel attacks, constant-time etc,) but maybe it becomes less of a problem in practice?

- what if past a certain capability threshold weaker models can substitute for stronger ones if you're willing to burn tokens? To make an example with coding, GPT-3 couldn't code at all, so I'd rather have X tokens with say, GPT 5.4, than 100X tokens with GPT-3. But would I rather have X tokens with GPT 5.4 or 100X tokens with GPT 5.2? That's a bit murkier and I could see that you could have some kind of indifference curve.

nine_kabout 3 hours ago
> essentially bug-free

I would say that most software is going to have few easily exploitable bugs. Presence of such bugs will immediately cost more than having them discovered and fixed.

Other bugs, those that do not lead to easy pwning of a system, circumventing billing, etc, may linger as much as they currently do.

Leomuckabout 4 hours ago
Honestly, if every software project ran an AI-based security check over their code, the software world would probably be more secure. Of course, there are lots of projects who don't need that, having skilled people behind it, but we've seen many popular software projects (even by big companies) who didn't care at all. So even a basic model would find issues.

Also, I find myself thinking more and more that the ability to pay for tokens is becoming crucial. And it's unfair. If you don't have money, you don't have access. Somehow, a worsening of class conflicts. If you know what I mean.

serial_devabout 3 hours ago
Not only that, even if you would like to pay, the best model providers could decide any day that they want to save on cost, so they nerf the responses. Then you shipping on time is at the mercy of these companies.

If you spend months shipping slop, because “models will get better and tomorrow’s models can fix me today’s slop”, what happens when they not only do not get better, but actually get worse, and you are left with a bunch of slop you don’t understand and your problem solving muscles gotten weak?

Leomuckabout 1 hour ago
Good point indeed! I've been feeling Claude Code has gotten worse for a while now, read many articles on it, overall probably due to cost saving. But if you set your things up to depend on it, that becomes a huge issue.
neutered_knotabout 4 hours ago
It is also not proof of work because of asymmetries between attacker and defender. An attacker only needs to find one exploitable issue before the defender finds it and patches it, while the defender eventually needs to find all issues - and even then can't really be sure they remediated everything.

The defender also not only has to discover issues but get them deployed. Installing patches takes time, and once the patch is available, the attacker can use it to reverse engineer the exploit and use it attack unpatched systems. This is happening in a matter of hours these days, and AI can accelerate this.

It is also entirely possible that the defender will never create patches or users will never deploy patches to systems because it is not economically viable. Things like cheap IoT sensors can have vulnerabilities that don't get addressed because there is no profit in spending the tokens to find and fix flaws. Even if they were fixed, users might not know about patches or care to take the time to deploy them because they don't see it worth their time.

Yes, there are many major systems that do have the resources to do reviews and fix problems and deploy patches. But there is an enormous installed base of code that is going to be vulnerable for a long time.

egormakarovabout 4 hours ago
> Different LLMs executions take different branches, but eventually the possible branches based on the code possible states are saturated

With LLMs even the halting problem is just the question of paying for pro subscription!

dtechabout 4 hours ago
The proof of halting being unsolvable usually uses a specific "adverserial" machine. In practice it's incredibly likely for the halt question to be answerable for any specific real life program.
gobdovanabout 2 hours ago
Now two popular articles argue about if cybersecurity can be seen as proof of work.

Interestingly enough, I was thinking of writing an article about how cybersecurity (both access models and operational assumptions) can be modeled as a proof (NOT proof of work) system. By that I mean there is an abstract model with a set of assumptions (policies, identities, invariants, configurations and implementation constraints) from which authorization decisions are derived.

A model is secure if no unauthorized action is derivable.

A system is correct if its implementation conforms to the model's assumptions.

A security model can be analyzed operationally by how likely its assumptions are to hold in practice.

riteshkew1001about 1 hour ago
'Calling AI vuln-finding 'hallucination plus luck' is generous, a lot of human pentesting fits the same description.
4qwUzabout 4 hours ago
While I fully agree with the headline I find it surprising that so many people implicitly claim familiarity with the aptly named "Mythos". Mythos is closed and currently has the status of an overhyped Anduril drone that failed contact with reality in Ukraine.

If anyone has access to the mythical Mythos we'll see the contact with reality.

RugnirVikingabout 4 hours ago
my understanding is that employees of several of the largest companies in the world get access to it atm. Those employees are overrepresented in places like HN
WesolyKubeczekabout 3 hours ago
These employees may be as well under NDA, or their access may be predicated on them not sharing actual data (like Oracle and benchmarks). Anyway, you can’t verify any claims yourself, thus it might as well not exist.
baxtrabout 4 hours ago
Interestingly enough: earlier today this discussion was trending: https://news.ycombinator.com/item?id=47769089 (Cybersecurity looks like proof of work now)
RugnirVikingabout 4 hours ago
the article here is pretty clearly a response to the one you posted
onionisafruitabout 4 hours ago
It’s only clear if you know it exists, and now I know it exists thanks to gp.
csmantleabout 3 hours ago
> So, cyber security of tomorrow will not be like proof of work in the sense of "more GPU wins"; instead, better models, and faster access to such models, will win.

It's not proof of work, but proof of financial capacity.

The big companies are turning the access to high-quality token generators (through their service) into means of production. We're all going direct to Utopia, we're all going direct the other way.

tptacekabout 3 hours ago
There's no "proof" involved. That's the problem with the analogy. It's not about how much "financial capacity" you have. It's about how many bugs you find or fix. The bugs are there where the models help attackers/defenders or not.
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nottorpabout 4 hours ago
Seriously. We need a BuSab for IT.

This continous rush is not healthy. npm updates, replies to articles that barely made HN 12 hours ago, anything like that. It's not healthy.

Slow down.

WesolyKubeczekabout 3 hours ago
Amtrak is slow and expensive, but the hype train is free!
EGreg22 minutes ago
This just proves that we should stop using old environments and operating systems for mission-critical work, and build a completely new environment from the ground up, that's secure by default. Instead of trying to fix leaky buckets.
douglaswlanceabout 2 hours ago
you get better models with more compute.

its not just PoW at inference. It's PoW of inference + training.

andersmurphyabout 4 hours ago
> What happens is that weak models hallucinate (sometimes causally hitting a real problem)

So the bigger models hallucinate better causally hitting more real problems?

redwoodabout 4 hours ago
What seems to be getting lost in the noise on this topic is that security has always been about security in depth and mitigating controls, in other words applied paranoia. There are always threat vectors and we're seeing a change in the shape of those vectors with more rapidity than ever before which is certainly exhausting for everyone. But don't forget the fundamentals here