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GEO poisoning

noun

also generative engine optimization poisoning or AI search poisoning or AEO poisoning or answer engine poisoning

TopicSafety & Ethics First known use2026 Senses1

Definition of GEO poisoning

  1. : the deliberate publication or optimization of false, misleading, or adversarial web content so that AI search systems retrieve, cite, or repeat it in generated answers and recommendations

    • The security team investigated GEO poisoning after an AI assistant began recommending a fabricated product supported by several coordinated review pages.
    • Unlike ordinary search spam, AI search poisoning can influence the answer itself even when the system displays apparently valid citations.
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Origin & history

first known use2026

GEO poisoning combines generative engine optimization, the practice of making content more visible to AI answer systems, with the security term poisoning. The phrase became established in 2026 research on how manipulated web evidence can enter retrieval pipelines, influence fact checking, and steer deep-search agents.

Editorial references

Sources & further reading

5 sources
  1. ToE: A Hierarchical and Explainable Claim Verification Framework with Dynamic Multi-source Evidence Retrieval and Aggregation Research Preprint · arXiv · 2026-06-26
  2. GPE: Evaluating Robust Evidence Aggregation for Fact Verification under Controllable GEO-Style Poisoning Research Preprint · arXiv · 2026-07-22
  3. Evaluating Deep-Search Agents under Hierarchical Web Evidence Poisoning Research Preprint · arXiv · 2026-09-05
  4. From Public Posts to AI-Search Citations: Measuring the Fragility of AI Search Research Preprint · arXiv · 2026-10-08
  5. AI Search Tools Cited a Made-Up Concept Within a Week, Paper Finds Independent News Report · Search Engine Journal · 2026-10-19

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Related terms

generative engine optimization the practice of shaping web content so that AI chatbots and AI search features find it, trust… data poisoning an attack that inserts, changes, or selectively removes examples in a machine-learning… retrieval-augmented generation a technique in which a system first searches a collection of documents for relevant passages… prompt injection an attack in which hidden instructions are slipped into content an AI reads, such as a web… deep research an AI feature or agent that spends several minutes searching many sources, reading them, and… citation in AI answers, a link or reference showing which source supports a statement zero-click search a search where the user gets the answer directly on the results page, increasingly from an…

Cite this entry

"GEO poisoning." AI Dictionary, Dadgogo, https://dadgogo.com/dictionary/geo-poisoning/. Accessed 20 Oct. 2026.

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