Monday’s disruption uncovered the vulnerabilities of the internet’s computational infrastructure that is concentrated among just a few providers.

Amazon Web Services, a major provider of cloud services, cited a problem at its data center in Northern Virginia. The outage highlighted the fragility of global internet infrastructure.

When a technical issue disrupted operations at those facilities yesterday, it was enough to temporarily crash the internet for users around the world. The modern web owes that fragility in part to the cloud.

A major disruption to Amazon’s cloud computing platform Monday exposed the fragile nature of digital dependency. When technical problems knocked the service offline, the ripple effects touched millions: Video gamers found themselves locked out of Fortnite,

Amazon.com Inc.’s reputation as a reliable provider of cloud services took a hit on Monday when an outage lasting some 15 hours disrupted the operations of hundreds of companies, ranging from Apple Inc.