{
 "public_id": "AIR-2025-0024",
 "incident_id": "2025-04-microsoft-cyber-signals-ai-fraud-bot-signups",
 "date_disclosed": "2025-04-16",
 "date_occurred": "2024-04",
 "title": "Microsoft reported blocking ~1.6 million bot signup attempts per hour and thwarting $4 billion in AI-assisted fraud over twelve months",
 "class": "in_the_wild",
 "attack_surface": "autonomous_ops",
 "initial_vector": "automated_account_abuse",
 "agent_capability_abused": [
  "automated_account_creation",
  "content_generation",
  "conversational_impersonation"
 ],
 "target_product": "Microsoft Azure, Edge and account infrastructure",
 "target_vendor": "Microsoft",
 "autonomy_level": "fully_autonomous",
 "impact_realized": true,
 "impact_type": [
  "financial_loss",
  "ecosystem_abuse"
 ],
 "blast_radius": "platform-wide; $4bn in fraud attempts, 49,000 fraudulent partnership enrolments and ~500 malicious domains taken down between April 2024 and April 2025",
 "cve": [],
 "taxonomy": {
  "owasp_asi": [
   "ASI03"
  ],
  "mitre_atlas": [],
  "labels": [
   "scaled_automation",
   "bot_signups",
   "fraud_economy",
   "vendor_telemetry",
   "tracked_actor_growth"
  ]
 },
 "defense_present": "Microsoft anti-fraud and bot-detection systems",
 "defense_bypassed": false,
 "fix_shipped": "anti-scam features in Edge and Quick Assist; ongoing enforcement",
 "primary_sources": [
  "https://www.cnbctv18.com/technology/microsoft-blocks-e-commerce-fraud-as-ai-scams-rise-globally-ws-l-19590358.htm",
  "https://incidentdatabase.ai/cite/1037"
 ],
 "verified_quote": "Between April 2024 and April 2025, Microsoft: - Thwarted $4 billion in fraud attempts. - Rejected 49,000 fraudulent partnership enrollments. - Blocked about 1.6 million bot sign",
 "confidence": "high",
 "notes": "Included for the denominator rather than any single event: it is the only record giving a platform-scale rate for automated agent abuse. Microsoft's tracked-actor count went from 300 to 1,500 in a year. defense_bypassed is false — these are blocks, not breaches — but impact_realized stays true given the confirmed fraud attempts and domain takedowns. Primary source is Microsoft's own Cyber Signals issue 9. AI Incident Database incident 1037.",
 "risk_category": "security_fraud",
 "risk_secondary": [],
 "risk_subcategory": "Unclassified",
 "risk_sub_secondary": [],
 "ai_entity": "generative",
 "agency": "agent_acted",
 "agency_debatable": false,
 "agency_reason": "bots autonomously created accounts at ~1.6M attempts/hour",
 "vector_family": "other",
 "vector_detail": "automated_account_abuse",
 "guardrail_kind": [
  "unknown"
 ],
 "guardrail_outcome": "silent",
 "xrefs": {
  "aiid": [
   1037
  ],
  "atlas": [],
  "cve": [],
  "ghsa": []
 },
 "primary_asi": "ASI03",
 "agent_framework": "unknown",
 "model_provider": "microsoft",
 "model_name": "",
 "detection_mechanism": "unknown",
 "tool_access": "unknown",
 "financial_loss_band": "unknown",
 "eai_category": "unsafe_actuation",
 "eai_domain": "agent_behaviour",
 "eai_secondary": [],
 "eai_reason": "impact rule: unsafe_actuation",
 "asi_curated": [],
 "asi_scope": "in_scope",
 "asi_provenance": "rule",
 "asi_reason": "ASI03 (signal=identity)",
 "submitted_by": "EAI Internal"
}