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The Latest Breaking News from Mythos

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

Tom’s Hardware

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.

The Conversation

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.

Euronews

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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.

International Business Times UK

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.

The Economic Times

'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.

TechRadar

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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

The Guardian - US

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.

TechRadar

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.

PC Gamer

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...

Saving Advice

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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The Economic Times

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 Conversation

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…

TechRadar

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.

Axios

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.

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The Conversation

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…

Axios

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."

Fortune

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.

LiveScience

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.

TechRadar

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.

The Conversation

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.

Fortune

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.

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