October 23, 2025

AWS Resumes Operations After Major 15-Hour Outage

News Summary

Amazon Web Services has recovered from a significant outage that disrupted services for over 15 hours, impacting millions globally. The incident primarily affected users in the United States, with platforms like Snapchat and major airlines facing issues. As organizations grappled with the disruptions, many reassessed their reliance on AWS’s services amid concerns regarding cloud dependency vulnerabilities. Experts suggest that an internal malfunction within AWS’s Elastic Compute Cloud was the cause, emphasizing the need for businesses to evaluate their cloud partnerships to mitigate future risks.

Virginia – Amazon Web Services (AWS) has resumed operations following a significant outage that lasted over 15 hours, disrupting millions of users and thousands of businesses across the globe. The incident, which started on Monday around 2:40 AM ET, peaked during the day and resulted in widespread issues primarily affecting users in the United States.

Downdetector reported that users experienced a staggering total of 11 million outages, with 3 million reports coming from U.S.-based users. The outage affected various platforms and services, including popular apps like Snapchat and Facebook, as well as major airlines such as Delta and United Airlines. It was one of AWS’s most substantial outages to date, further complicating an already challenging reliance on cloud services.

Many organizations responded to the disruption by going offline or implementing backup systems to mitigate the impact. This incident has prompted businesses to reassess their dependence on AWS, although significant shifts in market trends are not expected. Experts indicated that an internal system malfunction within AWS’s Elastic Compute Cloud (EC2) network was the root cause of the outage, leading to operational challenges for many companies that rely heavily on the service.

Throughout the outage, customers faced delays in flights, difficulties using banking applications, and issues accessing entertainment and social media. The scope of the incident underscored the vulnerability of the global economy and the challenges presented by reliance on a few major providers for cloud services. Professor Ariel Pinto noted the operational difficulties that arise when services like directory functions for making calls become unavailable during such outages.

E-ZPass toll services also experienced disruptions during the outage, as their customer service center was temporarily rendered inaccessible. The New York State Office of Information Technology Services reported that a brief outage impacted their call center operations as well.

The complex web of dependencies among various companies that rely on AWS illustrated the risks associated with concentrating cloud resources within a select number of service providers. This situation has been observed in past outages, including incidents in late 2021 and 2023 that similarly disrupted various sectors, including airlines and payment applications.

The financial impact of the outage has been estimated to reach hundreds of billions of dollars, linked to lost productivity across affected businesses and services. Experts noted that the total economic toll could be significant, highlighting the reliance on AWS’s infrastructure for everyday operations.

While major services gradually began recovering post-outage, AWS’s response included investigating the root causes of the incident and planning a postmortem to prevent similar disruptions in the future. Users expressed an unprecedented spike in reports to Downdetector regarding the service disruptions, indicating a deep concern over the stability of cloud-based services.

As AWS works to restore full functionality, the downtime serves as a reminder of the fragility of cloud services and their role in the modern economy. With many organizations depending heavily on AWS, continuous evaluations of such partnerships are essential in mitigating potential risks associated with cloud service outages.