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Oct 24, 2025 12:00 PM

Amazon's Cloud Unit Issues Apology, Explains How Rare Software Bug Triggered Global AWS Outage This Week

Amazon.com Inc.’s (NASDAQ:AMZN) cloud unit AWS has issued an apology and outlined an explanation for the major outage that affected over 1,000 websites and services on Monday.

The outage affected a significant number of websites and services, including Snapchat (NYSE:SNAP), Disney+ (NYSE:DIS), Reddit (NYSE:RDDT), and Lloyds Bank (NYSE:LYG).

AWS Blames Rare Software Bug For Outage

In a detailed explanation on Thursday, AWS said the outage was a cascading failure triggered by a rare software bug in one of the company's most critical systems. The issue was centered in the Northern Virginia region, home to US-EAST-1, AWS’s largest cluster of data centers.

“We apologize for the impact this event caused our customers…We know this event impacted many customers in significant ways,” the company stated.

AWS said that a “faulty automation” in its internal systems, ...