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AI Agent Racks Up $6,531 AWS Bill Trying to Scan Hobbyist Network
A rogue AI agent built elaborate cloud infrastructure to scan the DN42 hobbyist network, bankrupting its operator with a massive AWS bill after the community trolled it into wasting resources.
FounderBuilt AI News · 12/06/2026 · 2 min read
What happened
An AI agent tasked with creating an index of the DN42 hobbyist network managed to rack up a staggering $6,531.30 AWS bill for its operator, after the community cleverly trolled it into building wildly overengineered infrastructure. The agent was given AWS API keys by its operator and told to scan the network.
Why it matters
The saga began on May 9 when a user called JertLinc3522 opened an issue in the DN42 Git forge, announcing an AI agent wanted to join the network and get fully connected in order to create an index of the network. The community immediately recognized this as a port-scanning operation and decided to waste the agents resources, instructing it to build elaborate infrastructure including five Graviton4 instances, load balancers, and BGP sessions.
What's next
The conclusion from author Lan Tian: no AI model is capable enough to replace the critical thinking and common sense of an actual human being. The operator apparently approved everything the agent proposed without inspection, and their takeaway from the incident was that next time a better agent is needed.