An initiative to secure the world's software | Project Glasswing

Project Glasswing is a new initiative that brings together Amazon Web Services, Anthropic, Apple, Broadcom, Cisco, CrowdStrike, Google, JPMorganChase, the Linux Foundation, Microsoft, NVIDIA, and Palo Alto Networks in an effort to secure the world’s most critical software. We formed Project Glasswing because of capabilities we’ve observed in a new frontier model trained by Anthropic that we believe could reshape cybersecurity. Claude Mythos Preview is a general-purpose, unreleased frontier model that reveals a stark fact: AI models have reached a level of coding capability where they can surpass all but the most skilled humans at finding and exploiting software vulnerabilities. Read more: https://anthropic.com/glasswing

Apr 6, 20265mWatch on YouTube ↗

WHAT IT’S REALLY ABOUT

Project Glasswing uses advanced Claude model to harden software security

Software vulnerabilities are usually invisible to users but can become globally catastrophic when a single widely shared bug is exploited at scale.
As LLMs reach elite coding ability, they can accelerate both defense (bug finding, patching) and offense (exploitation), raising the cybersecurity bar for everyone.
Anthropic’s Claude Mythos Preview shows a major jump in cyber-relevant capability, including professional-level bug detection and the ability to chain multiple weaknesses into sophisticated exploits.
Because these capabilities could cause harm if broadly released, Anthropic plans controlled access and collaboration rather than wide deployment.
Project Glasswing partners with critical software organizations and governments to find vulnerabilities across major platforms and improve societal security over months or years.

IDEAS WORTH REMEMBERING

5 ideas

The biggest software risks are the rare, shared vulnerabilities that cascade globally.

Most bugs are patched quickly and never noticed, but a single flaw in widely used components can be amplified across products, websites, and infrastructure worldwide.

Advanced coding models inherently become advanced cyber models.

Anthropic emphasizes they didn’t train Claude Mythos Preview specifically for cybersecurity; improved coding skill translates into better bug discovery and exploit construction as a side effect.

The new model can match professional researchers at bug identification.

They report the model is “by and large as good as a professional human,” enabling earlier discovery and faster remediation of serious issues.

Chaining small vulnerabilities can create high-impact exploits.

The model can combine three to five individually limited vulnerabilities into an end-to-end exploit, mirroring (and accelerating) the long-horizon workflows of human security researchers.

Capability increases create urgency for defensive head starts.

Since stronger models will arrive from many actors, Glasswing is positioned as a way to equip key maintainers early so defenses improve before adversaries gain equivalent tooling.

WORDS WORTH SAVING

5 quotes

If LLMs are now able to write code at the level of some of the greatest software developers in the world, it can also be used to find bugs and exploit that software equally effectively.

— Speaker (Anthropic)

Claude Mythos Preview is a particularly big jump along that point.

— Speaker (Anthropic)

It has the ability to chain together vulnerabilities.

— Speaker (Anthropic)

I found more bugs in the last couple of weeks than I found in the rest of my life combined.

— Partner security researcher

Cybersecurity is the security of our society.

— Speaker (Anthropic)

Software bugs and systemic riskVulnerability discovery and patching timelinesLLMs as dual-use cyber toolsClaude Mythos Preview cyber capability leapChained vulnerabilities and autonomous exploitationControlled release and responsible deploymentIndustry/government collaboration via Project Glasswing

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