Full Breakdown
Major Global Outage of Amazon Web Services Disrupts Internet Services
10/20/2025, 7:46:09 PM
Overview of the Outage
On October 20, 2025, a significant outage at Amazon Web Services (AWS) disrupted numerous websites and applications worldwide, affecting millions of users. The incident began around 3:11 AM ET, when AWS reported "increased error rates and latencies" primarily in its US-EAST-1 region, a critical hub for its cloud infrastructure. This outage impacted a wide range of services, including popular platforms like Snapchat, Roblox, Fortnite, and various banking applications.
Scope of Impact
The outage had far-reaching consequences across multiple sectors. Major banking institutions in the UK, such as Lloyds Bank, Halifax, and the Bank of Scotland, experienced login issues, with some customers unable to access their accounts. The UK government’s HM Revenue and Customs (HMRC) website was also affected, causing disruptions in essential services. In total, over 500 companies reported issues, with Downdetector tracking more than 4 million outage reports globally.
Technical Details
AWS identified the root cause of the outage as a problem with its DynamoDB database service, which is crucial for managing data across various applications. The failure led to cascading errors affecting not only AWS services but also third-party applications reliant on its infrastructure. As of 6:35 AM ET, AWS announced that the main issue had been "fully mitigated," although some services continued to experience delays due to backlogged requests.
Official Statements & Responses
AWS stated, “We are actively engaged and working to both mitigate the issue and understand the root cause. We will provide updates as we have more information to share.” In response to the outage, a spokesperson for Lloyds Bank expressed, “We know this is impacting some of our services right now. We’re sorry about this and are working hard to restore normal service.”
Criticism & Opposition
The outage has raised concerns about the fragility of relying on a single cloud provider. Corinne Cath-Speth, head of digital at Article 19, remarked, “These disruptions are not just technical issues; they’re democratic failures.” Experts have criticized the over-dependence on AWS, highlighting the risks associated with centralized cloud infrastructure. Professor James Davenport from the University of Bath noted, “It is worrying to see UK financial institutions affected by a US-based infrastructure issue.”
Conflicting Reports & Gaps
While AWS reported that the underlying DNS issues had been resolved, some users continued to experience difficulties accessing services. The exact timeline for full recovery remains unclear, as AWS continues to work through a backlog of requests.
What's Next
Following the incident, AWS and affected service providers are expected to conduct thorough investigations to determine the precise cause of the outage and implement measures to prevent future occurrences. This event serves as a critical reminder for businesses to reassess their cloud strategies and consider multi-cloud or hybrid approaches to mitigate risks associated with service disruptions.
Verbatim Quotes
- “We continue to work towards full resolution and will provide updates as we have more information to share,” — Amazon Web Services
- “These disruptions are not just technical issues, they’re democratic failures.” — Corinne Cath-Speth, Article 19
- “ Professor James Davenport, an IT expert at the University of Bath, said it was “worrying” to see UK financial institutions affected by a US-based infrastructure issue.” — Professor James Davenport, University of Bath
The October 2025 AWS outage underscores the vulnerabilities inherent in modern digital infrastructure and the need for enhanced resilience in cloud services.
