29 days ago · Global
OpenAI ‘ethically hacked’ with help of Anthropic’s Claude chatbot
What's happening
SignalsMonitor is following this as a markets story. CBS News, TechCrunch, and The Guardian Business are the outlets attached to this story. The reports are tied to Global. The first report grouped here was at 18 Sept 2026, 11:20 UTC. 3 material updates are listed in the timeline. The headline in use is “OpenAI ‘ethically hacked’ with help of Anthropic’s Claude chatbot”. This note is SignalsMonitor's own briefing, not the publisher's article.
What we know
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. A team at a US-based startup compromised a number of OpenAI…
Story timeline
Reports grouped into this story, earliest first. Exact repeats from the same outlet are collapsed.
- First reported by The Guardian Business
OpenAI ‘ethically hacked’ with help of Anthropic’s Claude chatbot
- Picked up by TechCrunch
- Picked up by CBS News
Researchers report using Anthropic's Claude to hack OpenAI's ChatGPT
Same story, different outlets
3 headlinesEach line is that outlet's headline. The article stays on the publisher's site.