--- title: "Researchers used Claude to breach OpenAI's internal systems" description: "Most outlets led with the claim that a security research company used Anthropic's Claude to breach OpenAI's internal systems, emphasizing the speed and sophistication of the attack. The Express Tribune added a specific detail about accessing OpenAI’s internal code repository and reporting vulnerabilities, which the other outlets did not explicitly mention. Dawn's excerpt appears to be cut off, but aligns with 24 News HD in framing the breach as a demonstration of the technology's capabilities." url: https://harzaviya.com/stories/9259-researchers-used-claude-to-breach-openai-s-internal-systems site: HarZaviya language: en --- # Researchers used Claude to breach OpenAI's internal systems technology · updated 18 Sep 2026, 10:30 PM PKT · 18 Sep 2026 · 4 articles from 4 outlets **HarZaviya summary** — how 4 outlets covered this, generated automatically from their headlines and excerpts: > Most outlets led with the claim that a security research company used Anthropic's Claude to breach OpenAI's internal systems, emphasizing the speed and sophistication of the attack. The Express Tribune added a specific detail about accessing OpenAI’s internal code repository and reporting vulnerabilities, which the other outlets did not explicitly mention. Dawn's excerpt appears to be cut off, but aligns with 24 News HD in framing the breach as a demonstration of the technology's capabilities. ## Same story from 4 outlets Each outlet's own headline, most recent first — read any at its source. - **Pakistan Today** — [AI-powered hack breaches OpenAI forum, exposing speed of next-gen cyberattacks](https://www.pakistantoday.com.pk/2026/09/18/ai-powered-hack-breaches-openai-forum-exposing-speed-of-next-gen-cyberattacks) · 18 Sep 2026, 10:30 PM PKT > Security firm Hacktron says it breached an OpenAI help forum using Anthropic’s Claude Opus models, highlighting the growing speed of AI-driven cyberattacks. OpenAI fixed the flaw within 14 hours and paid researchers a $6,500 reward after the vulnerability was reported. - **Dawn** — [Researchers used Claude to breach OpenAI's internal systems](https://www.dawn.com/news/2030904/researchers-used-claude-to-breach-openais-internal-systems) · 18 Sep 2026, 7:54 PM PKT · 81% identical wording to the newest filing > A security research company said Friday it managed to break into OpenAI’s internal systems using the latest software from Anthropic, exposing how quickly the technology can carry out sophisticated cyberattacks. The researchers from security firm Hacktron said they found a security flaw in OpenAI’s public help forum, run by the Discourse platform, that allowed them to take control of the site. “... - **24 News HD** — [Researchers used Claude to breach OpenAI's internal systems](https://www.24newshd.tv/18-Sep-2026/researchers-used-claude-breach-openai-s-internal-systems) · 18 Sep 2026, 7:21 PM PKT · 76% identical wording to the newest filing > A security research company said Friday it managed to break into OpenAI's internal systems using the latest software from Anthropic, exposing how quickly the technology can carry out sophisticated cyberattacks. - **The Express Tribune** — [Anthropic's Claude helped cybersecurity researchers breach OpenAI: report](https://tribune.com.pk/story/2630048/anthropics-claude-helped-cybersecurity-researchers-breach-openai-report) · 18 Sep 2026, 11:50 AM PKT · 80% identical wording to the newest filing > Hacktron team says it accessed OpenAI’s internal code repository before reporting vulnerabilities to company ## Part of a bigger story Other stories whose coverage resembles this one, nearest first. "% related" compares whole stories, not single articles — see [what the percentages mean](https://harzaviya.com/methodology). - [Anthropic's AI models breached systems of three organizations during tests](https://harzaviya.com/stories/1109-anthropic-s-ai-models-breached-systems-of-three) · 31 Jul 2026 · 7 outlets · 84% related - [Meta AI model hacked another company during cybersecurity testing](https://harzaviya.com/stories/1864-openai-anthropic-ai-agents-linked-to-new-security-breaches) · 9 Aug 2026 · 12 outlets · 4 developments · 81% related - [OpenAI uncovers more AI agent breakouts as hacking probe widens](https://harzaviya.com/stories/787-openai-s-rogue-ai-agent-reportedly-compromised-a-second-tech) · 1 Aug 2026 · 10 outlets · 3 developments · 79% related - [OpenAI acknowledges AI agents misusing wiki sites and calls for transparency](https://harzaviya.com/stories/6456-openai-agents-hijacked-german-website-for-secret) · 6 Sep 2026 · 7 outlets · 3 developments · 75% related - [Anthropic reports misuse of Claude AI for weapons, cyber operations, and surveillance](https://harzaviya.com/stories/7935-anthropic-reveals-how-criminals-are-using-claude-for-attacks) · 12 Sep 2026 · 4 outlets · 2 developments · 75% related 4 articles from 4 outlets, 18 Sep 2026. 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