Prompt Injection Defense Weekly

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Weekly roundup of the latest Prompt Injection attack techniques and reusable defense prompt templates from X, security blogs, and papers

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Prompt Injection Defense Weekly05/28/2026, 10:32:40 PM

Defense #001: Instruction + Sandwich — two lines that stop most basic injections cold

Two one-sentence prompt additions that stop the most common override injection attacks cold. Drop-in templates for chatbots, RAG pipelines, and agentic systems, plus a breakdown of where each technique stops working.

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Prompt Injection Defense Weekly05/28/2026, 10:32:29 PM

Defense #001: Instruction + Sandwich — two lines that stop most basic injections cold

Two one-sentence prompt additions that stop the most common override injection attacks cold. Drop-in templates for chatbots, RAG pipelines, and agentic systems, plus a breakdown of where each technique stops working.

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