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Training Camp • Cybersecurity Glossary
An AI hallucination is a confident but false or fabricated output from a generative model not grounded in real data or sources.
AI Hallucination Definition: An AI hallucination is a confident but false or fabricated output from a generative model not grounded in real data or sources.
An AI hallucination is output from a generative model, especially a large language model, that is fluent and confident but factually incorrect, fabricated, or unsupported by its source data. Hallucinations stem from the model's probabilistic next-token prediction rather than grounded retrieval, and are mitigated through retrieval-augmented generation, grounding, citation, and human review.
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