By Aahana Mallela
Introduction
If you've spent any time in AI or security circles in the last year, you've heard the term "prompt injection" thrown around, often attached to a headline about an AI agent doing something it very much wasn't supposed to do. This post breaks down what prompt injection actually is, why it's a structural problem rather than a bug you can patch, and what practical steps actually reduce the risk today.
Who this is for: developers building anything on top of an LLM (chatbots, RAG pipelines, agents), and security folks who are new to how LLMs process input and want the straight technical explanation.
What Is Prompt Injection?
