Amazon's Biggest Cloud Outage Ever: When an Update Stops the World!

What began as a routine intervention turned into one of the biggest internet outages in recent years on October 20, 2025. A faulty update of the so-called Domain Name System (DNS) at Amazon Web Services (AWS) paralyzed central parts of digital life in the USA. Services like Zoom, Venmo, Instacart, and Slack were unavailable for hours, Alexa devices were unresponsive, and students could not submit their homework. Even airlines and banks were affected - more than 4,000 flights were delayed and financial transactions came to a halt. The cause was incorrect...