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Source IEEE Spectrum AI spectrum.ieee.org Media Center
July 8, 2026 ai_technology technology

AI Models Overthink Problems—and It’s a Security Risk

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Overview

Large language models (LLMs) that can think through problems step-by-step have significantly increased the scope of tasks that AI can tackle. But new research suggests these reasoning capabilities also introduce a critical vulnerability that could allow attackers to slow these systems to a crawl.While earlier generations of LLMs would immediately produce a response to a user’s request, today’s most advanced models generate an internal monologue where they break down the problem into steps and re

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