{
 "id": "AIR-2023-0021",
 "slug": "bing-chat-initial-instructions-exposed-via-prompt-injection",
 "title": "Bing Chat Initial Instructions Exposed via Prompt Injection by Testers",
 "summary": "Early users successfully extracted Bing Chat's confidential system instructions and underlying rules through prompt injection techniques. Microsoft subsequently updated the system to address the disclosure.",
 "type": "attack_on_ai",
 "categories": [
  "prompt_injection",
  "data_leak"
 ],
 "severity": 1,
 "targets": [
  "Microsoft",
  "OpenAI"
 ],
 "products": [
  "Bing Chat"
 ],
 "incident_date": "2023-02-08",
 "incident_date_precision": "day",
 "first_reported": "2023-02-08",
 "sources": [
  {
   "url": "https://incidentdatabase.ai/cite/473",
   "publisher": "AI Incident Database",
   "title": "Bing Chat's Initial Prompts Revealed by Early Testers Through Prompt Injection",
   "published_at": "2023-02-08"
  }
 ],
 "source_count": 1,
 "confidence": 0.95,
 "status": "published",
 "origin": "seed_aiid",
 "tags": [
  "prompt_injection",
  "system_prompt_leak",
  "bing_chat"
 ],
 "created_at": "2026-10-18T06:33:31.967Z",
 "updated_at": "2026-10-18T06:59:35.797Z"
}