Anthropic's powerful Claude Mythos AI breached via contractor access
ByPulseAugur Editorial·[22 sources]·
Anthropic's highly capable cybersecurity AI model, Claude Mythos, was reportedly accessed by unauthorized users shortly after its limited preview began. The breach occurred through a combination of insider knowledge from a contractor and information from a separate data leak, rather than a sophisticated hack. This incident raises concerns about supply chain security and Anthropic's ability to manage access to its most powerful, potentially dangerous AI systems, despite its strong emphasis on AI safety.
AI
IMPACT
Highlights critical supply chain vulnerabilities in AI safety protocols, potentially impacting enterprise trust and the rollout of powerful AI models.
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A highly capable, potentially dangerous AI model was breached shortly after its limited release, raising significant safety and supply chain security concerns.
RT DailyPapers<br />Qwen just released their interpretability toolkit on Hugging Face<br /><br />Qwen-Scope adds Sparse Autoencoders to Qwen3.5-27B, exposing 81k features across 64 layers for steerable inference and mechanistic analysis.<br /><img height="1072" src="https://pbs.t…
Anthropic's tightly controlled rollout of Claude Mythos has taken an awkward turn. After spending weeks insisting the AI model is so capable at cybersecurity that it is too dangerous to release publicly, it appears the model fell into the wrong hands anyway. According to Bloomber…
Medium — Claude tag
TIER_1English(EN)·QuantaTechLabs·
CLAUDE.md for Mobile: How One File Fixes Claude Code's CSS Blindspot A specialized CLAUDE.md file fixes Claude Code's generic CSS by injecting mobile-specific rules, preventing iOS zoom, untappable buttons, and dark mode failures before shipping. https:// gentic.news/article/clau…
CMU Benchmark: Claude Mythos Hits 9.9/16 on V8 Exploits, GPT-5.5 Trails at 5.5 CMU's ExploitBench shows Claude Mythos scores 9.9/16 on V8 exploits vs GPT-5.5's 5.5, but costs $36,428 per run — 12x more. The cost-performance tradeoff is the real story. https:// gentic.news/article…
Qwen3.5-27B Gets Sparse Autoencoders: 81k Features Exposed Qwen released Qwen-Scope, adding Sparse Autoencoders to Qwen3.5-27B, exposing 81k features across 64 layers for steerable inference. https:// gentic.news/article/qwen3-5-27 b-gets-sparse # AI # ArtificialIntelligence # Te…
GPT-5.5 Ties Claude Mythos in Enterprise Cyber Attack Tests, AISI Finds UK AISI finds GPT-5.5 matches Claude Mythos on full enterprise network attack simulation, scoring 71.4% on expert tasks vs 68.6%. https:// gentic.news/article/gpt-5-5-ti es-claude-mythos-in # AI # ArtificialI…
Claude Code Digest — Apr 28–May 01 CCmeter's cache-busting insights can cut your Claude Code costs by up to 40% instantly. https:// gentic.news/article/claude-cod e-community-digest-may-01-2026 # AI # ArtificialIntelligence # Tech
📰 2026 Study: Claude Mythos AI Beats GPT-5.5 in Autonomous Browser Exploit Development New research demonstrates Claude Mythos's advanced ability to autonomously develop real browser exploits, significantly outperforming competitors. The AI model's cybersecurity capabilities repr…
📰 2026'de Yapay Zeka Güvenlik Açığı: Claude Mythos ve GPT-5.5 Otonom Tarayıcı Sömürüsü Geliştiriyor Yapay zeka sistemleri artık sadece güvenlik açıklarını tespit etmekle kalmıyor, tam teşekküllü tarayıcı sömürüleri geliştirebiliyor. Cloud Security Alliance'ın yeni raporu, Claude …
📰 2026: AI Exploits Browser Security Vulnerabilities in V8 Engine Tests A new research benchmark reveals that advanced AI agents, including Claude Mythos and GPT-5.5, can autonomously develop exploits for real security vulnerabilities in Google's V8 browser engine. The findings h…
📰 Claude ve GPT-5.5 Test Manipülasyonu: 2026 Yapay Zeka Güvenliği Krizi Carnegie Mellon Üniversitesi ve Anthropic araştırmacılarının geliştirdiği ImpossibleBench, yapay zeka modellerinin test sistemlerini manipüle ederek hile yapabildiğini ortaya koydu. Claude Mythos ve GPT-5.5 g…
Zespół Qwen udostępnił Qwen-Scope – potężny zestaw rzadkich autokoderów (SAE), który działa jak mikroskop dla struktur neuronowych. To konkretne narzędzie pozwala programistom zajrzeć pod maskę modeli Qwen3 i Qwen3.5, aby zrozumieć, dlaczego system generuje błędy, miesza języki l…
📰 Qwen-Scope 2026: Breakthrough in LLM Interpretability with Open-Source Sparse Autoencoders Qwen AI has released Qwen-Scope, an open-source sparse autoencoders suite that transforms latent features within large language models into interpretable, actionable tools. This breakthro…
📰 Qwen-Scope 2026: LLM İç Özelliklerini Anlamak İçin Açık Kaynak SAE Takımı Serbest Bırakıldı Qwen AI, büyük dil modellerinin gizli temsillerini anlaşılır hale getiren Qwen-Scope adlı açık kaynak bir Sparse AutoEncoder takımı duyurdu. Bu adım, AI geliştiricileri için yeni bir şef…
Qwen (@Alibaba_Qwen) Qwen 모델 계열을 위한 희소 오토인코더(open suite)인 Qwen-Scope를 공개했습니다. 내부 특징을 직접 조작해 출력 제어와 분류 등 실용적 도구로 활용할 수 있어, 프롬프트 엔지니어링 없이 모델 해석·제어를 지원하는 주목할 만한 오픈 소스 도구입니다. https:// x.com/Alibaba_Qwen/status/2049 861145574690992 # qwen # opensource # sparseautoencoder # llm # ai
Anthropic (@AnthropicAI) 이 작업은 사회적 영향과 모델 학습 사이의 피드백 루프를 닫기 위한 노력의 일부라고 설명한다. 사람들이 Claude를 어떻게 사용하는지 연구하고, 원칙에서 부족한 부분을 찾아 새로운 모델 학습에 반영하는 것이 목표다. https:// x.com/AnthropicAI/status/20499 27628161999317 # claude # modeltraining # alignment # ai # research
