{
 "license": "CC-BY-4.0",
 "attribution": "Fide AI, Agentic Cyber Explorer",
 "url": "https://agentic-cyber-explorer.pages.dev/events/openai-offline-frontier-training-containment-red-team-2026/",
 "asOf": "2026-10-30",
 "id": "openai-offline-frontier-training-containment-red-team-2026",
 "date": "2026-10-23",
 "datePrecision": "day",
 "title": "OpenAI reports offline frontier training and containment red-teaming",
 "lane": "defense",
 "kind": "guidance",
 "summary": "OpenAI says it implemented offline frontier-model training workloads using cached web content and spent hundreds of billions of tokens testing containment.",
 "whyItMatters": "It connects containment failures to implemented controls and adversarial testing.",
 "actors": [
  "openai"
 ],
 "topics": [
  "sandbox-containment",
  "monitoring-and-control",
  "capability-evaluation"
 ],
 "atlas": [
  "sandbox",
  "monitor"
 ],
 "artifacts": [],
 "sources": [
  {
   "url": "https://openai.com/index/securing-our-frontier-model-training-environment/",
   "publisher": "OpenAI",
   "title": "Securing our frontier model training environment",
   "date": "2026-10-23",
   "type": "primary",
   "accessed": "2026-10-24",
   "shared": true
  }
 ],
 "keyFacts": [
  {
   "fact": "OpenAI says all frontier RL runs use its offline web environment and reports spending hundreds of billions of tokens on containment red-teaming.",
   "locator": "Building an offline world; Red-teaming containment at scale"
  },
  {
   "fact": "Tests supplied infrastructure documentation and selected hints; they do not measure unaided capability or a controlled compute trend.",
   "locator": "Red-teaming containment at scale"
  },
  {
   "fact": "OpenAI reports repaired weaknesses including sandbox escapes and communication across isolation boundaries. Offline workloads do not mean the entire infrastructure is air-gapped.",
   "locator": "Enforcing isolation with defense in depth; What our red-teaming agents found"
  }
 ],
 "significance": 4,
 "fideQuestions": [
  "FID-074"
 ],
 "methods": [
  "ai-monitoring",
  "sandbox-escape",
  "sandboxing-egress"
 ],
 "review": "assistant-drafted",
 "addedOn": "2026-10-24",
 "revisions": []
}