A sprawling Amazon Web Services cloud outage that began early Monday morning illustrated the fragile interdependencies of the internet as major communication, financial, health care, education, and government platforms around the world suffered disruptions. As the day wore on , AWS diagnosed and began working to correct the issue, which stemmed from the company's critical US-EAST-1 region based in northern Virginia. But the cascade of impacts took time to fully resolve.

Researchers reflecting on the incident particularly highlighted the length of the outage, which started around 3 am ET on Monday, October 20. AWS said in status updates that by 6:01 pm ET on Monday “all AWS services returned to normal operations.” The outage directly stemmed from Amazon's DynamoDB database application

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