How did an outage in one AWS region cause global chaos?

Global Chaos Caused by AWS Outage

An outage in Amazon's US-EAST-1 region caused widespread chaos, taking websites and services offline globally, including in Europe.

The problems started after midnight US Pacific Time, with increased error rates and latencies for multiple services in the US-EAST-1 region. Amazon's technicians identified DNS as a potential root cause, specifically the resolution of the DynamoDB API endpoint, and worked on a fix.

The issue affected other AWS services, including global services that rely on endpoints operating from the US-EAST-1 region, such as IAM updates and DynamoDB global tables.

cloud operations are supposed to have some built-in resiliency

AWS dependence caused global chaos.

Author summary: AWS outage caused global issues.

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theregister theregister — 2025-10-20