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OpenAI ‘ethically hacked’ with help of Anthropic’s Claude chatbot

Written and edited by the WorldPing NewsdeskPublished Updated Original reporting: The Guardian
OpenAI ‘ethically hacked’ with help of Anthropic’s Claude chatbotWorldPing
Image via The Guardian.

What happened

US cybersecurity researchers who conducted hack say ‘scope of what we could theoretically access was huge’ Cybersecurity researchers have hacked into OpenAI with the help of Anthropic’s Claude chatbot, in the latest example of security issues at the company.

Key facts

  • Reported by The Guardian and published Fri, 18 Sep 2026 11:20:44 UTC.

Why it matters

Economic releases and corporate results feed directly into rate expectations, currency moves and equity pricing, so the detail here often matters more to markets than the headline itself.

What to watch next

  • Revisions to the initial figures once fuller data is released
  • How rate expectations and index futures respond
  • Guidance or commentary from the companies and policymakers involved

Coverage timeline

When each newsroom published on this story, oldest first — all times UTC.

  1. Three guys using Anthropic’s Claude hacked into OpenAI and accessed its source code for $6,500 reward

  2. OpenAI ‘ethically hacked’ with help of Anthropic’s Claude chatbot

Sources

The original report was published by The Guardian. WorldPing does not claim that reporting — this page summarises and contextualises it.

Read the full report at The Guardian

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