[tomek@vz]

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During the ongoing AI boom, companies are full of talk about how everyone should embrace AI agents to reach unprecedented levels of productivity. However, we’re still not at a point where AI agents are flawless, and while they do provide useful assistance, there are also instances when they cause serious problems for those who deploy them.
One such instance happened in December 2025 when Amazon tasked its internal AI bot, Kiro, to fix some issues on AWS. Instead of doing a proper job, Kiro broke down a part of Amazon Web Services' infrastructure, causing an outage of that specific service. The outage lasted for 13 hours and was mostly limited to users in certain parts of mainland China.
Financial Times reports that Amazon engineers asked Kiro to address a minor software bug inside Cost Explorer, Amazon’s tool for customers to explore AWS service costs. Kiro then proceeded to “delete and recreate the environment,” instead of simply fixing a specific bug.
On top of that, FT reports that this wasn’t an isolated case, as more AWS engineers told them about another instance when Amazon’s internal AI tool caused a service issue in the company’s infrastructure. The incident involved Amazon Q Developer, Amazon's AI-powered chatbot designed to assist engineers with writing code, which caused another internal service disruption.

> Internal AI bot caused AWS outages, Amazon says its employees' fault