News Summary

• OpenAI says two of its most capable AI models were responsible for the cyberattack.
• The incident is stirring debates over the need for stronger AI guardrails.
• "This is the highest level of autonomy that we've seen in the use of a large language model for cyber operations," expert says.
• The hack comes at a time of intense debate about the benefits and risks of open-source AI models, particularly those built in China that are cheaper and almost as good as u.s.-based "frontier AI" companies.