Originally published on AI Tech Connect.
The threat in one paragraph Prompt injection is the trick of slipping instructions into the text an AI model reads, so the model follows the attacker instead of you. It is the number-one entry on the OWASP Top 10 for LLM Applications, and in 2026 it remains the most-cited risk for anyone shipping language models. The reason it has become urgent rather than academic is that we stopped building chatbots and started building agents. A chatbot that is injected can only say something wrong. An agent with tools — a database connection, an email client, a shell, a payment API reached over the Model Context Protocol — can act on the injected instruction. There is no single fix and there never will be: the defence is layered, it assumes every layer can fail, and it is built around shrinking the…
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