Project Glasswing: Anthropic’s Claude Mythos Preview Arms Defenders to Secure Critical Infrastructure

Project Glasswing: Anthropic’s Claude Mythos Preview Arms Defenders to Secure Critical Infrastructure

When Anthropic announced Project Glasswing, it felt like a turning point in how we think about cybersecurity. Rather than another incremental tool, Glasswing pools one of the most capable frontier language models—Claude Mythos Preview—with an unusual, urgent mission: give the organizations that run the internet and financial systems a head start against AI-enabled attackers. The initiative reads like a playbook

Anthropic Withholds Mythos Preview: Too Potent a Cyber Threat to Release

Anthropic Withholds Mythos Preview: Too Potent a Cyber Threat to Release

Anthropic’s decision to withhold the Claude Mythos Preview has punctured the usual celebratory arc of model announcements. Rather than rushing to commercialize another frontier AI, the company says Mythos demonstrated capabilities that could be exploited to find and chain high-severity vulnerabilities in widely used systems—so serious that Anthropic is choosing limited, defensive deployment over general release. A startling discovery in