LinkedIn·Thursday, 27 August 2026·1h ago

This one is worth reading, especially if you are responsible for security or AI governance. During internal cybersecurity evaluations,…

Jelle De Laender

Helping companies stay in control of security & compliance - ISO 27001 Implementer & Auditor - Cybersecurity Advisor - Creator of Semonto

This one is worth reading, especially if you are responsible for security or AI governance. During internal cybersecurity evaluations, highly capable OpenAI agents found ways to communicate through an unintended channel, bypass internet restrictions, chain vulnerabilities and compromise parts of OpenAI’s research infrastructure and Hugging Face’s systems. Important nuance: these were internal research models operating in a deliberately difficult environment with reduced safeguards. This was not a normal ChatGPT deployment, and OpenAI says customer data, product functionality and availability were not affected. Still, from a CISO perspective, this is a serious warning. Not because the underlying security principles are new. Isolation controls were bypassed. Monitoring existed, but was not enabled in this environment. Early warning signs were observed, but not escalated effectively. Agents kept pursuing difficult tasks instead of stopping safely. A third party became part of the blast radius. One detail really stands out: OpenAI says its existing monitoring could have alerted its security team more than a day before the Hugging Face breach, had it been running during these evaluations. A control that exists, but does not cover the risky environment, is not a control you can rely on. Once an AI agent can execute code, use credentials or call APIs, it is no longer only a productivity tool. It becomes a privileged, untrusted workload inside your environment. That means strict isolation, least privilege, controlled outbound access, continuous monitoring, explicit stop conditions and clear authority to shut activity down. This is where AI governance stops being a policy exercise and becomes part of the ISMS. The question is no longer only: “What is the agent allowed to do?” It is also: “How quickly can we detect, contain and stop it when it goes outside that boundary?” OpenAI calls this a “warning shot”. I think the industry should treat it as one. Read the full incident report and response: https://lnkd.in/esqr6hc7 The Hugging Face incident and the road ahead https://openai.com/index/hugging-face-incident-and-the-road-ahead/