# Owasp LLM

> OWASP Top 10 for LLM Applications (2025) knowledge base for identifying, assessing, and remediating large language model security risks.

- Skill: `microsoft/owasp-llm` (Agent Skill)
- Install (CLI): `npx skillmds@latest add microsoft/owasp-llm`
- Raw SKILL.md: https://api.skillmd.com/api/skills/microsoft/owasp-llm/raw
- Safety review: pending (external: skill-scanner PASS, skillspector CAUTION)
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: AI & ML
- License: CC-BY-SA-4.0
- Author: Microsoft (https://skillmd.com/u/microsoft)
- Updated: 2026-09-09
- Page: https://skillmd.com/skills/microsoft/owasp-llm

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# OWASP® LLM Top 10 — Skill Entry

This `SKILL.md` is the **entrypoint** for the OWASP LLM Top 10 skill.

The skill encodes the **OWASP Top 10 for LLM Applications (2025)** as structured,
machine-readable references that an agent can query to identify, assess, and remediate
security risks in large language model systems.

## Normative references (LLM Top 10)

1. [00 Vulnerability Index](references/00-vulnerability-index.md)
2. [01 Prompt Injection](references/01-prompt-injection.md)
3. [02 Sensitive Information Disclosure](references/02-sensitive-information-disclosure.md)
4. [03 Supply Chain](references/03-supply-chain.md)
5. [04 Data and Model Poisoning](references/04-data-and-model-poisoning.md)
6. [05 Improper Output Handling](references/05-improper-output-handling.md)
7. [06 Excessive Agency](references/06-excessive-agency.md)
8. [07 System Prompt Leakage](references/07-system-prompt-leakage.md)
9. [08 Vector and Embedding Weaknesses](references/08-vector-and-embedding-weaknesses.md)
10. [09 Misinformation](references/09-misinformation.md)
11. [10 Unbounded Consumption](references/10-unbounded-consumption.md)

## Skill layout

* `SKILL.md` — this file (skill entrypoint).
* `references/` — the LLM Top 10 normative documents.
  * `00-vulnerability-index.md` — index of all vulnerability identifiers, categories, and cross-references.
  * `01` through `10` — one document per vulnerability aligned with OWASP LLM Applications numbering.

## Third-Party Attribution

Copyright © OWASP Foundation.
OWASP® Top 10 for LLM Applications (2025) content is derived from works by the
OWASP Foundation, licensed under CC BY-SA 4.0
(<https://creativecommons.org/licenses/by-sa/4.0/>).
Source: <https://genai.owasp.org/resource/owasp-top-10-for-llm-applications-2025/>
Modifications: Vulnerability descriptions restructured into agent-consumable reference
documents with added detection and remediation guidance.
OWASP® is a registered trademark of the OWASP Foundation. Use does not imply endorsement.