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EU Cloud Probe Puts Microsoft, Amazon Under Regulatory Spotlight

The European Union is investigating the cloud computing market, focusing on Microsoft's Azure and Amazon's AWS. The probe could lead to Digital Markets Act (DMA) obligations regarding interoperability, customer lock-in, and self-preferencing.

June 18, 2026
3 min read
Source: GuruFocus.com
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According to reports citing informed sources, European Union regulators are considering a formal investigation into the cloud computing market, with a particular focus on the practices of Microsoft (MSFT) through its Azure platform and Amazon (AMZN) via AWS. This move is part of the EU's efforts to ensure fair competition in a vital and growing sector.

Details of the Action

Based on preliminary information, the investigation centers on three key issues:

  • Interoperability: How easily data and applications can be transferred between different cloud platforms.
  • Customer Lock-in: Whether the two companies make it difficult for customers to switch to another provider.
  • Self-preferencing: Whether Microsoft and Amazon favor their own services over those of competitors. If the investigation finds violations, Azure and AWS could be designated as "gatekeepers" under the Digital Markets Act (DMA), imposing additional obligations.

Company Stance

Neither Microsoft nor Amazon have issued an official comment yet. However, both companies are expected to cooperate with the investigation while affirming their commitment to fair competition and innovation.

Precedents and Context

This is not the first EU probe into big tech practices. The DMA has previously targeted companies like Google, Apple, and Meta, leading to changes in their business practices. The cloud computing market is experiencing massive growth, with Azure and AWS together holding a significant market share, raising concerns about unfair dominance.

Potential Financial Impact

If DMA obligations are imposed, Microsoft and Amazon could face additional compliance costs and may need to adjust their business models. In contrast, smaller competitors like Google Cloud and IBM Cloud could benefit from a more level playing field. In the long term, the probe could lead to greater transparency and competition in the market, potentially benefiting consumers and businesses.

Frequently Asked Questions

The Digital Markets Act is an EU regulation aimed at regulating the practices of large digital platforms (gatekeepers) to ensure fair competition and protect consumers.

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This article was rewritten in Wrqti's editorial style based on information from the original source above. Content is informational only — not investment advice.