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Prompt Injection Explained: How It Works, Why It Matters, and Practical Mitigations

lowzscaler_threatlabzPublished 2026-07-14

A prompt injection attack is a cyberattack that manipulates a generative AI (GenAI) system into following an attacker's instructions instead of its intended rules, because the model cannot reliably separate instructions from data written in natural language. It matters now because enterprises are connecting these models to tools, agents, and sensitive data, which turns a bad answer into an unautho

MITRE ATT&CK techniques

Original source: https://www.zscaler.com/blogs/product-insights/prompt-injection-explained