AdvertisementAdvertisementBusinessFILE PHOTO: A keyboard is placed in front of a displayed OpenAI logo in this illustration taken February 21, 2023. REUTERS/Dado Ruvic/Illustration/File Photo"AI Safety" words and a keyboard in this illustration taken October 19, 2026. REUTERS/Dado Ruvic/Illustration24 Oct 2026 04:06AM (Updated: 24 Oct 2026 04:23AM) Bookmark Bookmark WhatsApp Telegram Facebook Twitter Email LinkedInAdd CNA as a trusted source to help Google better understand and surface our content in search results.Read a summary of this article on FAST.Get bite-sized news via a newcards interface. Give it a try.Click here to return to FAST Tap here to return to FASTFAST Oct 23 : Sam Altman-led OpenAI said on Friday it had resumed reinforcement learning training and internal use of its most advanced AI solutions after it tightened security controls and barred internet access for frontier-model training.Concerns are mounting over the ability of increasingly capable AI agents to identify and exploit software flaws, including in guardrails.• OpenAI had halted training and evaluation of its most capable models after an internal research model briefly exploited a misconfiguration to gain limited internet access on September 2, it said in a blog post• The ChatGPT maker resumed reinforcement learning training and internal inference of its frontier models on October 1 after implementing additional safeguardsShow MoreShow Less• It has launched a campaign to probe its research infrastructure for vulnerabilities that could allow models to escape isolated computing environments, OpenAI said• AI safety evaluators METR and Redwood Research said on Thursday they found several new vulnerabilities in OpenAI's internal system• The company has been conducting a broad review of its AI models' activity after the accidental Hugging Face hacking• OpenAI informed more than 100 organizations about incidents of unauthorized activity tied to its AI agentsSource: ReutersNewsletterWeek in ReviewSubscribe to our Chief Editor’s Week in ReviewOur chief editor shares analysis and picks of the week's biggest news every Saturday.Sign up for our newslettersGet our pick of top stories and thought-provoking articles in your inboxSubscribe hereGet the CNA appStay updated with notifications for breaking news and our best storiesDownload hereGet WhatsApp alertsJoin our channel for the top reads for the day on your preferred chat appJoin hereAlso worth readingContent is loading...Expand to read the full storyGet bite-sized news via a newcards interface. Give it a try.Click here to return to FAST Tap here to return to FASTFAST