Prompt injection benchmark: delimiter + strict prompt took Gemma 4 from 21% to 100% defense rate (15 models, 6100+ tests)

When dealing with untrusted outside input, I think you should handle it based on the situation. If you're processing structured data files, it's better to use tools to isolate and handle them. I made DataGate for that. But if it's web documents that the model has to read and understand directly (whi