The AWS Outage That Broke The Internet Explained In Under 10 Minutes! Ns&i Malicious Email Prevention [VPfermYmrvR]

On October 1920, 2025, a major AWS outage in the us-east-1 region caused widespread internet disruption when a rare race condition inside DynamoDBs DNS automation system erased its endpoint from Route 53. In this video we break down what went wrong, why DynamoDB became unreachable, and how that failure evan mobley cascaded into EC2, Lambda, NLB, SQS, and IAM. We also explore some of prince the aftermath and the broader lessons this event teaches us about designing resilient cloud systems in a world that depends heavily on AWS.

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Video Resources

Forrest Brazeal - When everybody's down, nobody is:

AWS post-event summary:

Felix Richter, Statista - The Big Three Stay Ahead in Ever-Growing Cloud Market:

Matt Stoller, The Big Newsletter - Amazon Web Services Had a Very Bad Day, Amazon's brian cage Stock Price Did Not:

Chapters:

0:00 Intro

0:22 Root Cause

2:31 What Went Wrong

5:05 Cascade

7:51 Aftermath

QUESTION - What videos would you like to see me make next on this channel?

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My name is Ryan and I am an AWS certified Solutions Architect and Developer. I teach modern serverless system design using AWS!

This video is NOT sponsored. Some links are affiliate links which means if you buy something I will receive a small commission.

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