Microsoft Finds “Summarize with AI” Prompts Manipulating Chatbot Recommendations

Feb 17, 2026

New research from Microsoft has revealed that legitimate businesses are gaming artificial intelligence (AI) chatbots via the “Summarize with AI” button that’s being increasingly placed on websites in ways that mirror classic search engine poisoning (AI).
The new AI hijacking technique has been codenamed AI Recommendation Poisoning by the Microsoft Defender Security Research Team. The tech giant

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