{"type":"post","id":"over-the-past-several-months-we-have-substantially-7f9243","slug":"over-the-past-several-months-we-have-substantially-7f9243","title":"Over the past several months, we have substantially hardened the security of our research training environment.","description":"OpenAI says it has hardened the environment used to train and evaluate its frontier models and has removed live internet access for all such models during training.","retrieval_nugget":"OpenAI says it has hardened the environment used to train and evaluate its frontier models and has removed live internet access for all such models during training.","published_at":"2026-10-24","updated_at":"2026-10-24","record_date":"2026-10-24","date_kind":"published_at","topics":["agent-security","sandbox"],"entities":["OpenAI","Patch the Planet"],"related_patterns":["agent-security-moves-to-runtime-boundaries"],"novelty_label":"new_fact","what_changed":"OpenAI now reports hardening internal frontier-model training and evaluation environments with layered controls, reduced attack surface, and improved detection after prior research-environment data exposure.","prior_refs":["memory:c7c59fea-612f-88fb-a44e-44945d46d895"],"source_url":"https://openai.com/index/securing-our-frontier-model-training-environment/","source_urls":["https://openai.com/index/securing-our-frontier-model-training-environment/"],"schema_version":"newruntime-agent-readable-v0.2","stable_id":"post:over-the-past-several-months-we-have-substantially-7f9243","status":"published","visuals":[],"editor":{"role":"editor","name":"Andrey Reshetnikov","profile":"https://newruntime.com/owner-profile.md","profile_json":"https://newruntime.com/owner-profile.json","same_as":["https://www.linkedin.com/in/reshetnikov1/","https://t.me/lapetuse"]},"routes":{"html":"https://newruntime.com/posts/over-the-past-several-months-we-have-substantially-7f9243/","markdown":"https://newruntime.com/posts/over-the-past-several-months-we-have-substantially-7f9243.md","json":"https://newruntime.com/posts/over-the-past-several-months-we-have-substantially-7f9243.json"},"next_reads":[{"type":"topic","path":"/topics/agent-security/","url":"https://newruntime.com/topics/agent-security/","title":"Agent Security","reason":"Explore the agent-security topic hub.","media_type":"text/html","markdown_url":"https://newruntime.com/topics/agent-security.md","json_url":"https://newruntime.com/topics/agent-security.json"},{"type":"topic","path":"/topics/sandbox/","url":"https://newruntime.com/topics/sandbox/","title":"Sandbox","reason":"Explore the sandbox topic hub.","media_type":"text/html","markdown_url":"https://newruntime.com/topics/sandbox.md","json_url":"https://newruntime.com/topics/sandbox.json"},{"type":"collection","path":"/posts/","url":"https://newruntime.com/posts/","title":"Field Notes","reason":"Open the latest editorial analysis.","media_type":"text/html","json_url":"https://newruntime.com/posts.json"},{"type":"collection","path":"/source-ledger.json","url":"https://newruntime.com/source-ledger.json","title":"Source Ledger","reason":"Inspect the public source evidence graph.","media_type":"application/json"}]}