{
  "id": "world/ai-security/owasp-llm01-prompt-injection",
  "catalog": "BC-001258",
  "title": "OWASP LLM Top 10 — #1 risk is Prompt Injection (LLM01)",
  "title_en": "OWASP LLM Top 10 — #1 risk is Prompt Injection (LLM01)",
  "value": "Prompt Injection",
  "unit": "text",
  "period": "2026",
  "valid_from": "2024-11-17",
  "valid_to": null,
  "applies_to": "global",
  "note": "LLM01:2025 — the top-ranked risk in the OWASP Top 10 for LLM Applications (2025). Prompt injection occurs when user or external content manipulates an LLM's behaviour or output, bypassing intended instructions. Direct (user input) and indirect (malicious instructions hidden in fetched/retrieved content) variants. Cross-map: MITRE ATLAS AML.T0051; EU AI Act Art. 15 (accuracy/robustness/cybersecurity); NIST AI RMF MEASURE-2.7.",
  "aliases": [
    "ai security",
    "ai act",
    "ai compliance",
    "ai governance",
    "ai bezpecnost",
    "2026",
    "prompt injection",
    "owasp llm01",
    "number one llm risk",
    "indirect prompt injection",
    "najvacsie ai riziko",
    "llm top risk",
    "prompt injection definition"
  ],
  "source": {
    "name": "OWASP — Top 10 for LLM Applications (2025), GenAI Security Project",
    "url": "https://genai.owasp.org/llm-top-10/",
    "retrieved": "2026-06-07",
    "quote": "LLM01:2025 Prompt Injection",
    "published": "2024-11-17",
    "published_kind": "effective",
    "quote_en": "LLM01:2025 Prompt Injection"
  },
  "confidence": "high",
  "status": "ok",
  "corroboration": [
    {
      "name": "OWASP — LLM01:2025 Prompt Injection",
      "url": "https://genai.owasp.org/llmrisk/llm01-prompt-injection/",
      "retrieved": "2026-06-07"
    }
  ],
  "sources_count": 2,
  "verification": {
    "is_real": true,
    "method": "cross-checked against multiple independent official sources (web research 2026-06-07)",
    "checked": "2026-06-07",
    "checked_by": "botcorpus verifikácia (web research, cross-check)",
    "note": "Real fact verified from multiple independent sources — not a hallucination.",
    "note_en": "Real fact verified from multiple independent sources — not a hallucination."
  },
  "freshness": {
    "source_dated": "2024-11-17",
    "retrieved": "2026-06-07",
    "last_checked": "2026-06-07",
    "next_check": "2026-09-05",
    "cadence_days": 90,
    "stale": false,
    "source_hash": "7dafcf3779e45120"
  }
}