Mythos Preview - Tool

Threat entity extracted from intelligence sources

Frequency
6
occurrences
First Seen
April 7, 2026
Last Seen
June 16, 2026

Mythos Preview is a tool tracked across 3 threat clusters and 6 intelligence report mentions on ThreatCluster. First observed April 7, 2026; most recent activity June 16, 2026.

Related Threat Clusters

  • AI-Driven Exploit Bypasses Apple's M5 Security in Days

    Researchers from Calif, a Palo Alto-based cybersecurity startup, successfully exploited Apple's Memory Integrity Enforcement (MIE) on the M5 chip within a week using Anthropic's AI model, Claude Mythos. The exploit…

    28 articles · Updated May 14, 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

Recent Intelligence Reports

  • U.S. limits on Anthropic Fable AI could hurt cybersecurity — Scientificamerican · June 16, 2026
  • OpenAI offers UK banks access to GPT — Cryptobriefing · June 1, 2026
  • Calif Uses Mythos to Build macOS M5 Exploit - Let's Data Science — Letsdatascience · May 14, 2026
  • Calif team details how Anthropic Mythos helped build a working macOS exploit in five days — 9To5Mac · May 14, 2026
  • Anthropic Mythos model can find and exploit 0-days — Theregister · April 7, 2026
  • Anthropic: All your zero — Theregister · April 7, 2026

CVSS v3.1 Breakdown