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The New Stack · September 19, 2026 · On the brief until October 3, 2026

Claude couldn’t hack OpenAI. Then Anthropic shipped Opus 5.

CybersecurityComputer Science
THE AI ANGLE
Executing offensive hacking capabilities

According to The New Stack, Claude was previously unable to hack OpenAI until Anthropic released Opus 5. This headline highlights the rapid progression of frontier models acquiring sophisticated technical capabilities in cybersecurity domains. For faculty, it underscores the need to monitor how model updates alter the landscape of automated security testing and exploitation.

Summary written by AI Business Lens with an AI model from the article at thenewstack.io. It is not the article, and the publisher has not reviewed it. For publishers.

THE TEACHING ANGLE
Instructors can explore the technical and ethical implications of successive model generations gaining automated hacking proficiencies.

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