He hasn’t even been with us a month and Claude Mythos Preview is terrifying the world. AND We don’t even know if there are reasons for it.because Anthropic has it tied up and muzzled: only a handful of companies have been able to access the model to test it and use it properly. The objective is that these companies can use it to find vulnerabilities before others do, but of course, a contagion effect has been created: if the model is good enough to find security flaws everywhereeveryone is threatened. And among those beginning to fear the worst are the world’s most important financial institutions. And the European Central Bank is one of them.
The Project Glasswing Private Club. During the launch of Claude Mythos Preview, Anthropic selected an extremely small group of US “partners” to carry out the first fire tests of this model. Under the name of Project Glasswing, giants such as Amazon, Apple, Microsoft, Alphabet or financial entities such as JP Morgan have been the only ones authorized to evaluate the capabilities of Mythos. This access has made AI become a curious geopolitical piece. One that has left the European institutions aside.
The fear of zero-day. What makes Mythos a fearsome AI model is its ability to go through the code of all types of applications and software platforms and find so-called vulnerabilities.”zero day“. These flaws are not even known by the developers of these projects, and they tend to remain hidden even in highly critical infrastructures such as banking or energy companies. Until now, finding these security holes required complex work by highly specialized human experts, but Mythos is capable of detecting many of these flaws and generating the code to exploit them almost instantly.
The European Central Bank, on alert. Given this panorama, the ECB has taken action on the matter calling on those responsible for risks in the main financial entities of the Eurozone. Among the participants are those responsible for Santander, BBVA, CaixaBank and Sabadell, who must – like the rest – detail their contingency plans for the possible emergence of Mythos. This is no longer about how to act in the event of increases in unemployment or economic contractions, but rather about what steps should be taken if the model falls into the hands of cybercriminals who could cause massive thefts of data… and money.
A “nuclear” weapon. That only some private American companies have access to the model has strained international relations in a notable way. The White House and the US Treasury hold meetings with their banks, and meanwhile some media sympathetic to the Russian regime qualify to this model as something “worse than a nuclear bomb.
Huge (theoretical) risks. The fact that a single company can unilaterally decide who has access to the most powerful cybersecurity tool on the planet (or so Anthropic claims) creates a truly delicate situation. This can put all types of entities in check, but also even developing countries with more vulnerable systems.
The UK has already had access to Mythos. The British country has already managed to position itself ahead of the countries of the European Union. The AI Security Institute has had access to the model and has confirmed that the model is capable of completing attacks that no previous AI could complete. Anthropic itself has indicated which will expand access to Mythos to British financial institutions. Meanwhile, EU member countries continue to wait for that same privilege.
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Possible cracks. While all this is happening, Anthropic itself confirmed how unauthorized users they could have accessed to a version of Mythos. If users with bad intentions gain access to a model of this type, the consequences could be important… if it really complies with the expectations that have been generated. Cybersecurity experts warn that it is a matter of time before other powers such as China develop similar capabilities. OpenAI in fact already has GPT-5-5 Cyber, a specific version of its new model that also seems to have notable capabilities in this regard. And as in the case of Anthropic with Mythos, access to this model is restricted.
In Xataka |OpenAI and Anthropic have proposed the impossible: lose $85 billion in one year and survive
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was originally published in
Xataka
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Javier Pastor
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