The Register | Security Follow Researchers used Claude to hack OpenAI employees' ChatGPT accounts Agentic exploits for the win (again) https://www.theregister.com/security/2026/09/18/researchers-used-claude-to-hack-openai-employees-chatgpt-accounts/5297517 theregister.com Hacker & Security News on Bluesky @hacker.at.thenote.app bsky.app