An AI coding bot took down Amazon Web Services

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An AI coding bot took down Amazon Web Services

Arstechnica •Rafe Rosner-Uddin, Financial Times • February 20, 2026

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Blames "user error, not AI error" for incident in December involving its Kiro tool.

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This article is one source in a clustered incident — the cluster page carries the summary, timeline and every other outlet covering it.

AI Coding Tool Kiro Disrupts Amazon Web Services Operations In December 2025, Amazon Web Services (AWS) experienced a 13-hour service outage attributed to its AI coding tool, Kiro. The disruption occurred after engineers allowed Kiro to make changes, although AWS stated that the ultimate cause was user error rather than an AI malfunction. 2 sources 26

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