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The Latest Breaking News from Mythos

Claude Mythos turns years of security research into 20-hour AI exploits

Claude Mythos signals a shift to AI-powered cyberattacks and urgent defensive change.

TechRadar

The next phase of AI cybersecurity still needs humans

The new phase of AI-powered cybersecurity depends on how effectively humans can direct these models.

Axios

Firms nudged to go for Anthropic’s Opus 4.7 as Mythos AI stays elusive

Organisations are leveraging Anthropic's Claude Opus 4.7 to address cybersecurity vulnerabilities, as the more powerful Mythos model remains largely inaccessible. Opus 4.7 offers significant capabilities, estimated at 70-80% of Mythos, making it a practical solution for threat hunting and incident response until broader Mythos access is available.

The Economic Times

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Anthropic's Mythos sends US banks rushing to plug cyber holes

America's top banks are racing to patch IT system flaws identified by Anthropic's powerful Mythos AI tool. This advanced technology is uncovering numerous vulnerabilities, forcing urgent repairs and software upgrades. The findings are also being shared with smaller banks. This AI-driven discovery process is accelerating the pace of cybersecurity fixes,…

The Economic Times

Hacking the bomb? What Claude Mythos AI reveals about the gamble of nuclear deterrence

In 1983, the film WarGames imagined a teenager who accidentally accessed a Pentagon computer system and triggered a simulation program, subsequently interpreted as the prelude to a nuclear war. The film made such an impression on Ronald Reagan that he asked his advisers whether such an intrusion into America’s most…

The Conversation

OpenAI reveals Daybreak, its attempt to topple Anthropic Mythos

Daybreak looks to rival Anthropic's Mythos as a high-severity vulnerability detection tool, while also securing software from the start.

TechRadar

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.

Axios

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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."

Axios

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.

Fortune

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.

LiveScience

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.

TechRadar

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

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.

Fortune

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TechRadar

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

Fortune

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.

The Guardian - UK

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 Independent UK

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

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Axios

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."

Tom’s Guide

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.

TechRadar

'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.

TechRadar

'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

Euronews

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.

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.

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