Claude Mythos Preview — Cyber Threats, Attacks & Incidents

Threat entity extracted from intelligence sources

Frequency
13
occurrences
First Seen
April 7, 2026
Last Seen
July 8, 2026

Claude Mythos Preview is a technology platform tracked across 5 threat clusters and 13 intelligence report mentions on ThreatCluster. First observed April 7, 2026; most recent activity July 8, 2026.

Related Threat Clusters

  • ESRB Warns of Systemic Cyber Risks from Frontier AI Models

    On July 7, 2026, the European Systemic Risk Board (ESRB) issued a warning regarding systemic cyber risks associated with frontier AI models. The ESRB classified the systemic cyber risk as 'severe,' highlighting the…

    10 articles · Updated July 8, 2026
  • Anthropic's Claude Mythos Preview Sparks Cybersecurity Revolution

    Anthropic has announced the launch of Project Glasswing, utilizing its unreleased AI model, Claude Mythos Preview, to identify and exploit thousands of critical software vulnerabilities across major operating systems…

    1350 articles · Updated April 7, 2026
  • UK Banks Denied Access to Mythos AI Amid Cybersecurity Concerns

    As of May 29, 2026, UK banks still lack access to Anthropic's Mythos AI model, which is crucial for testing cybersecurity defenses. Bank of England Governor Andrew Bailey highlighted that the delay stems from political…

    19 articles · Updated May 31, 2026
  • Emergence of Agentic AI Raises Governance and Security Challenges

    In 2026, the rise of agentic AI is transforming how businesses operate, particularly in the financial services sector. This new technology allows for autonomous decision-making, which increases the potential impact of…

    3455 articles · Updated February 10, 2026
  • State-Sponsored Hackers Exploit Google's Gemini AI for Cyberattacks

    State-backed hackers from China, Iran, North Korea, and Russia are utilizing Google's Gemini AI model to facilitate various stages of cyberattacks, including reconnaissance and post-compromise actions. Notably, the…

    162 articles · Updated February 12, 2026

Recent Intelligence Reports

  • Analyysi: Tekoälyn voimistamat kyberuhat: vaikutukset rahoitusvakauteen — www.eurojatalous.fi · July 8, 2026
  • Expanding Project Glasswing — News.Ycombinator · June 2, 2026
  • OpenAI offers UK banks access to GPT — Cryptobriefing · June 1, 2026
  • Google: Cyberattack averted by AI-found zero-day vulnerability — Heise.De · May 12, 2026
  • IMF fears AI cyber attacks could cripple global financial system — Thesun.Ng · May 8, 2026
  • Powell, Bessent discussed Anthropic's Mythos AI cyber threat with major U.S. banks — Cnbc · April 10, 2026
  • Anthropic just unveiled its most dangerous AI model and is keeping it out of public hands — Neowin · April 8, 2026
  • Project Glasswing — Anthropic · April 8, 2026

CVSS v3.1 Breakdown