Claude Mythos finds thousands of hidden vulnerabilities
The 2026 emergence of Claude Mythos and GPT-5.4-Cyber, specialized artificial intelligence models designed to identify and exploit critical software vulnerabilities. Developed by Anthropic and OpenAI, these tools demonstrate a "frontier" level of reasoning capable of autonomously discovering "zero-day" flaws that have eluded human experts for decades. While these advancements offer an incredible opportunity to automate cyberdefense, they also present a severe risk if misused by bad actors to industrialize sophisticated attacks. To mitigate these threats, Anthropic launched Project Glasswing…
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