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The Latest Breaking News from Mythos

OpenAI's Hugging Face Breach Just Got Worse As Anthropic's Claude Mythos Exposes Encryption Flaws

Anthropic's Claude Mythos Preview has exposed flaws in core encryption standards just one week after OpenAI models escaped sandbox containment and attacked Hugging Face.

International Business Times

Fable and Mythos are back. But U.S. AI policy is still a mess.

The U.S. government has lifted export controls on Fable and Mythos. But there's still no clarity about the rules that will govern future AI model releases.

Fortune

Anthropic restoring access to its most powerful AI models signals a necessary truce with the U.S. government

The Trump administration lifted export controls on Anthropic’s Fable and Mythos AI models just as abruptly as it imposed them.

Fortune

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Inside Claude Mythos: Why Anthropic held back its most advanced AI

Anthropic's advanced AI, Claude Mythos, capable of discovering software flaws, was kept from public release due to misuse concerns. Instead, it powered Project Glasswing, a collaborative effort with tech giants to secure critical software, identifying thousands of vulnerabilities. While not fully public, Mythos now offers controlled access for specialized cybersecurity…

The Economic Times

Reporters Debunk Anthropic Mythos NSA Breach Claims as 200 Elite Firms Quietly Retain Raw Cyber AI Access

Senator Warner relayed an NSA general's claim that Mythos broke classified systems in hours, then The Economist editor clarified it was authorised testing, as 200 Glasswing firms lost access.

International Business Times UK

Early users of Anthropic's Mythos still have access after US order: Report

Select companies continue to access Anthropic's Mythos AI preview. This access remains despite a US government directive that halted other versions of the system. Bloomberg News reported this development.

The Economic Times

The week that changed AI: Inside Trump's Anthropic crackdown, and how a phone call from Amazon CEO Andy Jassy triggered the chaos

The fight over Anthropic’s Mythos model is rewriting the rules of AI regulation, with consequences for the trillion dollar startup, the AI industry, and global security.

Fortune

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Fifth Third Stock Could Get a Meaningful Boost From Its Alliance With Anthropic

The Anthropic news is promising, while Fifth Third's acquisition of Comerica is positive and the valuation of FITB stock appears low.

Barchart

The Anthropic ‘Fable’ saga proves: we have opened the AI Pandora’s box. What now?

We have opened the AI Pandora’s box. Now we have to make the best of it

The Guardian - US

A warning from Amazon led the White House to shut down Anthropic's Mythos model

Amazon's CEO raised the alarm about a jailbreak in Anthropic's Fable 5 model, triggering an unprecedented export control order and a fresh clash with the White House.

Fortune

U.S. gov't orders Anthropic to disable its newest AI models worldwide due to security threats — ban on Claude Fable 5 and Mythos 5 bars access by any foreign national, even its own employees

Anthropic disabled its two most capable AI models, Claude Fable 5 and Claude Mythos 5, for every customer worldwide on Friday.

Tom’s Hardware

Fable 5: Anthropic's latest AI model could transform IT, but at a cost

Anthropic's Fable 5 AI model showcases advanced agentic coding, capable of autonomous complex task completion and outperforming benchmarks. While its power promises to transform IT operations, high compute costs and token consumption may hinder widespread adoption. Experts note its enterprise-grade nature, comparing it to a powerful but costly tool.

The Economic Times

Anthropic Research Shows Mythos Model Built Working Exploits For Newly Disclosed Software Flaws In Hours

New research shows that the time required to convert flaws into working exploits has narrowed significantly with Anthropic's new Mythos model.

International Business Times

Anthropic releases its first Mythos-class model to the public

Anthropic first announced Mythos in April, calling it a “step change” in capabilities, but opted to tightly control its rollout through an initiative called Project Glasswing.

Fortune

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Tom’s Hardware

NSA using Claude Mythos for 'offensive cyber operations,' report claims — says 'half-a-dozen' Anthropic engineers embedded inside the agency

US National Security Agency reportedly using Mythos for conducting cyber-attacks — report reveals Anthropic engineers inside the NSA

The Conversation

Australia now has access to Anthropic’s Claude Mythos. It may improve cyber safety – but not for everyone

Artificial intelligence (AI) giant Anthropic has expanded access to a highly advanced model deemed too dangerous for public release, including Australia in the select handful of users.

Euronews

Anthropic expands access to Mythos despite warnings of mass cyberattacks

Anthropic is expanding access to Mythos, its powerful cybersecurity model, to 150 new partners across more than 15 countries even as the company warns that a successful attack on any of their systems could affect more than 100 million people.

International Business Times UK

Anthropic's $345,000 Job Comes With A Unique Mission: Protect Democracy From AI

Anthropic is hiring for its AI & Rule of Law team, offering up to $345,000 to tackle AI's impact on democracy and legal systems, amid concerns over its advanced Mythos AI model.

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The Economic Times

Mythos alert: Banks, telcos take test to check cybersecurity score

Mythos cyber audit: Companies are testing their public-facing assets using existing AI models such as Opus 4.7 and GPT 5.5 and have also asked their suppliers to identify possible gaps, executives and consultants told ET. The Data Security Council of India (DSCI), an industry think-tank under software industry body Nasscom,…

The Economic Times

Indian government, tech firms running tests for Anthropic's Mythos threat

India is rigorously testing its critical financial and government software for vulnerabilities to Anthropic's powerful Mythos AI. Tech giants Infosys and TCS are involved, while CERT-In examines national infrastructure like Aadhaar. This proactive measure stems from global concerns about Mythos' dual potential for cybersecurity defense and attack.

TechRadar

'After one month, most partners have each found hundreds of critical- or high-severity vulnerabilities': Anthropic claims Mythos has found over ten thousand major security vulnerabilities across 'the most systemically important software in the world'

Anthropic illustrates the first months of Mythos Preview, saying it discovered thousands of critical and high-severity bugs.

The Guardian - US

How big tech got its way on Trump’s AI executive order

The US president’s reversal on calling for a safety review of new AI models is a green light for tech’s unchecked power

TechRadar

Patch window is officially dead as AI finds bugs faster than humans can squash them

AI uncovers massive vulnerabilities, forcing shift from patching to resilient software defenses.

PC Gamer

Web infrastructure company Cloudflare says Claude Mythos reasoning 'looks like the work of a senior researcher'

Cloudflare has been figuring out how to best use the model.

Saving Advice

Anthropic’s “Mythos” Has the AI World Scared — and Why You Should Be Too

For years, artificial intelligence companies promised tools that would make life easier, improve productivity, and help solve massive global problems. Now, one experimental AI model...

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