Education
Published on Jul 31, 2026
What Is Prompt Injection and How to Protect Your AI App
Prompt injection is the #1 LLM vulnerability per OWASP 2025. Attackers use plain English to hijack AI apps by overriding system prompts. Defenses require layered controls: input validation, instruction segregation, guardrails, and output filtering. No single fix works alone.
By Jinal Thakkar













