EU regulators pressure cloud giants Amazon Web Services and Microsoft Azure under stricter gatekeeper rules

European Union regulators are moving to bring Amazon Web Services and Microsoft Azure under the bloc’s gatekeeper framework, according to a report carried by Yahoo Finance on June 25, 2026.

The EU’s position centers on whether cloud providers that act as major entry points for digital services should be subject to additional obligations designed to reduce unfair advantages and ensure interoperability.

The report links the renewed scrutiny to growing demand for cloud infrastructure and related AI services, arguing that as AI workloads increasingly run in major cloud ecosystems, the case for treating leading providers as gatekeepers strengthens.

Microsoft, whose cloud platform is branded as Azure, and Amazon, through its AWS unit, are both among the most visible suppliers of cloud computing capacity used by businesses building AI applications and running large-scale data and model training workloads.

The proposed shift would align cloud regulation with other areas where the EU has already pursued gatekeeper-style constraints, which typically include requirements around how gatekeepers manage access for business users and other firms that rely on their platforms.

While the Yahoo Finance piece describes the regulatory direction, it does not provide specific details in its posted text about timing, the exact designation process, or what obligations the EU would impose on AWS and Azure in practice.

For Microsoft, the practical risk is not only compliance costs, but also the possibility that the company may face tighter rules affecting how it promotes services built on top of Azure, how it contracts with customers, and how it allows competitors to interoperate within the Azure ecosystem.

For the broader cloud sector, the EU’s announcement suggests regulators want to reduce the leverage that dominant providers can exert as customers standardize around a small number of hyperscalers for AI workloads. That could raise competitive intensity at the margin, including pressure on pricing terms and technical integration choices.