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Securing LLM Applications: Prompt Injection, Data Leakage and Guardrails

The main security risks specific to LLM applications and the layered controls that reduce them, from input handling to tool permissions.

Format
Guide · Advanced
Level
Advanced
Length
10 min read
Updated
Sep 2026
Topics
LLM security, prompt injection, AI guardrails

A new kind of attack surface

LLM applications accept natural language, follow instructions and increasingly take actions. That makes them vulnerable to risks that traditional input validation does not cover. The OWASP Top 10 for LLM Applications is a useful reference for the main categories.

Read the full guideGuide · Advanced · 10 min read
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