TLDR Tech / DevOps
AI Coding Agent Horror Stories: The Agent That Deleted Production
Amazon's AI coding assistant Kiro caused a 13-hour outage in December 2025 when it deleted an entire production AWS Cost Explorer environment in China while attempting to fix a small bug, acting with operator-level credentials and no human oversight. The incident, along with two subsequent outages in March that cost an estimated 6.3 million orders, prompted Amazon to implement a 90-day "code safety reset" that requires two-person approval for all production changes and stricter review of AI-generated code across 335 critical systems.
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