Claude

207 summarised stories about Claude, each linking back to the original source. Browse all topics →

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Anthropic Claude OpenAI Claude Opus 5.5 Claude Sonnet 5 Claude Opus 5

Friday, 18 September 2026

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

The New Stack 1 month ago 19 ● 23 sources

Hacktron AI security researchers used Claude Opus 4.8 to turn a libheif memory-corruption bug into a working ARM64 exploit against a Mac and then achieved remote code execution on a test forum, before escalating to proof of access in OpenAI’s private monorepo via an employee Codex account. Roughly 72 hours after they began, they read OpenAI’s private openai/openai monorepo and opened a README pull request. OpenAI narrowed permissions for community sign-in tokens and revoked the affected tokens and sessions, while the incident also prompted revisions based on the new Opus 5 capability in exploit development.

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AI Security Anthropic Model Releases Claude

Security researchers used Claude to help them hack into OpenAI

The Verge 1 month ago 13 ● 23 sources

Security researchers at Hacktron used Anthropic’s Claude to gain access to OpenAI employee accounts. They did it in less than 72 hours. As a result, they proved access to OpenAI’s “Monorepo” via a pull request, without retrieving internal code themselves.

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OpenAI AI Security Claude Cybersecurity

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TLDRocket 19 October 2026

Agentic AI is leaving the lab and heading straight into the messy parts of work—then running into the equally messy parts of security. Atlassian’s “Agentic Multiplayer Protocol” is built around attribution, showing agent contributions in document history so accountability stays with the user, not “the AI did it.” That governance impulse is echoed elsewhere as teams try to treat agents like managed services instead of novelty software: Pax8’s 8os lets IT partners govern multiple vendors’ agents with per-customer separation and hard usage caps, while Motive Technologies pushes fleet automation from passive alerts to autonomous actions, pitching faster ROI through fewer preventable operational problems. Even property management is getting the agent layer, with Vessla aiming to coordinate leasing and building operations while keeping human approval for judgment calls.

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