{
 "id": "AIR-2026-0347",
 "slug": "model-distillation-campaigns-target-anthropic-claude",
 "title": "Model Distillation Campaigns Target Anthropic Claude",
 "summary": "Anthropic uncovered campaigns by multiple AI labs utilizing thousands of accounts to extract Claude capabilities via model distillation. The large-scale queries aimed to replicate reasoning and tool use features.",
 "type": "attack_on_ai",
 "categories": [
  "model_theft_extraction"
 ],
 "severity": 3,
 "targets": [
  "Anthropic",
  "open_weight_model"
 ],
 "products": [
  "Claude"
 ],
 "incident_date": "2026-02-23",
 "incident_date_precision": "day",
 "first_reported": "2026-03-31",
 "sources": [
  {
   "url": "https://atlas.mitre.org/studies/AML.CS0056",
   "publisher": "MITRE ATLAS",
   "title": "Model Distillation Campaigns Targeting Anthropic Claude",
   "published_at": "2026-03-31"
  },
  {
   "url": "https://anthropic.com/news/detecting-and-preventing-distillation-attacks",
   "publisher": "Anthropic",
   "title": "Detecting and preventing distillation attacks",
   "published_at": "2026-03-31"
  }
 ],
 "source_count": 2,
 "confidence": 0.95,
 "status": "published",
 "origin": "seed_atlas",
 "tags": [
  "model-extraction",
  "distillation",
  "anthropic"
 ],
 "created_at": "2026-10-18T06:55:08.239Z",
 "updated_at": "2026-10-18T06:55:08.239Z"
}