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The Latest Breaking News from Mythos

OpenAI makes its rival to Anthropic's Mythos more widely available to cyber defenders

Recent security testing suggests that GPT-5.5. model is nearly as good at finding and exploiting software bugs as Anthropic's Mythos Preview.

Mythos AI is a cybersecurity threat, but it doesn’t rewrite the rules of the game

Mythos AI is a cybersecurity threat, but it doesn’t rewrite the rules of the game

The cybersecurity community went on alert when Anthropic announced on April 7, 2026, that its latest and most capable general-purpose large language model, Claude Mythos Preview, had demonstrated remarkable – and unintended – capabilities. The artifical intelligence system was able to find and exploit software vulnerabilities – the most serious…

The Conversation

Scoop: White House workshops plan to bring back Anthropic

One source described the efforts as a way to "save face and bring em back in."

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Mythos access by Discord group reveals real danger of AI-powered hacking

The unauthorized access to Anthropic's Mythos cybersecurity model wasn't just a breach.

Claude Mythos explained: Is Anthropic's most powerful AI model really too dangerous to release to the public?

Anthropic's Mythos AI is being kept behind closed doors as governments assess what faster, AI-driven vulnerability discovery means for cybersecurity.

Australia joins countries trialing Claude Mythos 'to make sure we are aware of emerging vulnerabilities'

The country is "working with" Anthropic and other similar software providers, a spokesperson said.

AI has crossed a threshold – what Claude Mythos means for the future of cybersecurity

The limit of what artificial intelligence can achieve, known as frontier AI, has crossed another threshold. AI can now plan and execute sophisticated cyber operations with minimal guidance at speeds far beyond human capability.

The Conversation

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A group of users leaked Anthropic's AI model Mythos by reportedly guessing where it was located

A group of users leaked Anthropic's AI model Mythos by reportedly guessing where it was located

An expert says if a group of folks in an online forum was able to figure it out, then it's already in China's hands.

Mozilla says Anthropic’s Mythos is ‘every bit as capable’ as ‘the world’s best security researchers’ after Firefox experiment — and says the ‘zero-days are numbered’

Mozilla says Anthropic’s Mythos is ‘every bit as capable’ as ‘the world’s best security researchers’ after Firefox experiment — and says the ‘zero-days are numbered’

Mozilla’s experiment with Anthropic’s Mythos AI shows that machines can now match elite human researchers in finding software vulnerabilities

Former national cyber director: Anthropic's 'Mythos' AI can hack nearly anything and we aren't ready

Former national cyber director: Anthropic's 'Mythos' AI can hack nearly anything and we aren't ready

Anthropic's most powerful model yet is less a product launch than a stress test—one that exposes dangerous gaps in how the U.S. protects its critical systems.

What is Mythos AI and why could it be a threat to global cybersecurity?

What is Mythos AI and why could it be a threat to global cybersecurity?

Anthropic’s decision to restrict access to its powerful new model increases fears about the advanced technology

The Guardian - UK

White House chief of staff to meet with Anthropic CEO over its new AI technology

White House chief of staff to meet with Anthropic CEO over its new AI technology

White House Chief of Staff Susie Wiles plans to meet with Anthropic CEO Dario Amodei to discuss the company's new AI model, Mythos

The Independent UK

Trump officials negotiating access to Anthropic's Mythos despite blacklist

"Anthropic doesn't want to kill people and War's position is 'don't tell us what the f*** to do.' But if you're the Department of Energy, you don't give a f*** about that."

Anthropic just released Opus 4.7 — the 'civilian' version of the AI they said was too dangerous for us

Anthropic just released Opus 4.7 — the 'civilian' version of the AI they said was too dangerous for us

Opus 4.7 is a coding powerhouse with high-res vision, but a hidden 'Mythos' tier and new ID-vetted safeguards reveal Anthropic’s plan to gatekeep the future of frontier AI.

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'They have ghost cities, they have ghost data centers too': Nvidia CEO Jensen Huang warns of "enormous" China compute capacity - but says 'we want the United States to win'

Nvidia CEO Jensen Huang says we all need to get along to ensure compute for all, but warns on threat of Anthropic Mythos.

'Trusted access for the next era of cyber defense': OpenAI reveals its Mythos rival, designed for cybersecurity pros to spot the next level of attacks

As Mythos steals the limelight, OpenAI is releasing GPT-5.4-Cyber and is teasing even better models down the line.

The Guardian - US

AI companies make powerful tech – but they’re also savvy marketers

Anthropic’s Claude Mythos AI is said to be frighteningly capable, but we shouldn’t get carried away by the hype

Why Anthropic's new Mythos AI model has Washington and Wall Street worked up

Anthropic's most powerful new AI model, Mythos, is too dangerous to release to the public, the company says, sparking urgent discussions with governments and financial regulators.

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The Conversation

Claude Mythos and Project Glasswing: why an AI superhacker has the tech world on alert

New, more powerful artificial intelligence (AI) models are announced pretty regularly these days: the latest version of ChatGPT or Claude or Gemini always has new features and new capabilities that its makers are eager for customers to try out.

Anthropic’s Mythos is a wake-up call, but experts say the era of AI-driven hacking is already here

Anthropic is limiting access to its latest model, but similar capabilities may already be within reach.

Minneapolis Might Bring Back Bathhouses As Spaces for Sex and Queer Community

It’s a public health matter, say proponents of the new bathhouse ordinances.

International Business Times UK

Is Anthropic's New AI Model Too Dangerous? Mythos Could Let Hackers Attack Faster Than Humans

Anthropic's new powerful AI model, Mythos, designed to detect software vulnerabilities faster than human hackers, will be available only to selected tech firms before any release is considered.

Why Anthropic’s most powerful AI model Mythos Preview is too dangerous for public release

Anthropic said its artificial intelligence model Mythos Preview is not ready for a public launch because of the ways cybercriminals and spies could abuse it.

'A new frontier model trained by Anthropic that we believe could reshape cybersecurity': Project Glasswing wants to use AI to prevent AI cyberattacks — but will 'overeager' Claude Mythos do more damage than help?

Anthropic and a number of other companies reveal Project Glasswing - which is so powerful, it won't be released publicly.

Anthropic withholds Mythos Preview model because its hacking is too powerful

This is the one of the first times an AI company has held back a model over societal risks.

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