If Mythos is just a good model that happens to be exceptional at security, the access question gets harder with every generation, not easier.
SAFETY
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LLM Verification Layers in Deterministic Pipeline Systems
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Every LLM output in a deterministic pipeline needs a verification layer. You're essentially building two systems.
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Anthropic Releases Claude Mythos Preview Model Too Dangerous for Public
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Anthropic has just done something unprecedented in the history of AI. Project Glasswing. And a model too dangerous to release to the public. Claude Mythos Preview is Anthropic's new frontier model. It wasn't specifically trained for cybersecurity. But its reasoning and coding
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Frontier AI Model Capabilities and Potential Misuse Risks
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In different hands, Mythos would be an unprecedented cyberweapon I am not sure how we deal with this, except to note a narrow window where we know only 3 companies could be at this level of capability. But it may be Chinese models (maybe open weights ones?) get there in 9 months
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Waymos Safety Record: Fewer Accidents Than Human Drivers
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Waymos have fewer accidents than human drivers. What specifically makes you think that safety is a factor?
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Prompt Injection vs Lethal Trifecta: Naming Clarity Discussion
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here is @simonw on the difference in self evident naming between “prompt injection” and “lethal trifecta”https://t.co/wSSVgEZeWM pic.twitter.com/ovDqwQRvq5
— swyx 🐣 (@swyx) 8 avril 2026here is @simonw on the difference in self evident naming between “prompt injection” and “lethal trifecta” https://
share.snipd.com/snip/6ca275d5-
c16e-47fb-b779-77ae5ee7cb56
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AI Agent Security Risks and Best Practices for Developers
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One of the biggest risks I'm feeling now is around security. Anthropic has models like Mythos to help secure your agentically coded applications. For the public, many newbies are vibing apps for the first time and are almost always approaching security all wrong. And the models
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AI Frontier Models Expose App Security Vulnerabilities
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The explosion of vibe-coded apps together, now coincides with frontier models being able to find 0-day vulnerabilities. This pushes the quality and security bar even higher for apps now. Not sure how I feel about using a totally vibed product today.
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OpenAI’s GPT-2 Text Generation Algorithm Raises AI Safety Concerns
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Trending on Hacker News rn. slate.com/technology/2019/02…
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AI Systems Effectiveness Against Humans Raises Safety Concerns
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Yeah. Or attacking the humans more effectively. Sigh.