The magazine > Resilient Cloud: How to avoid digital paralysis in the face of outages by the giants (AWS, Azure) with sovereign alternatives and SecNumCloud

Only one hour of service interruption can cost on average 260,000 for a large company. This was the conclusion reached by Aberdeen Group in 2024. The recent defaults at AWS and Microsoft Azure are more than just incidents; they are a warning signal about the extent to which the vulnerability of information systems. Concentration in the international public cloud exposes companies to major risks in terms of business continuity and digital sovereignty.

As Sébastien Lescop, Managing Director of Cloud Temple, states in this article from Le Parisien The urgent need to diversify infrastructures to limit exposure to outages and strengthen resilience.

More and more organisations are re-evaluating their strategies to build hybrid and multi-cloud architecturesconciliatory performance, security, compliance and sovereignty.

Concentration of cloud providers: an operational and regulatory risk

Over the past ten years, hyperscaler suppliers (AWS, Azure, Google Cloud) are the backbone of information systems. Centralising services and data with a limited number of players creates a number of risks:

  • Vendor lock-in : Technological dependence
    The use of a supplier's proprietary solutions creates a heavy dependence. Migrating to another player becomes complex and costly, sometimes almost impossible, and can even involve rewriting applications or abandoning critical functionality.
  • Business continuity risk: The domino effect
    A widespread breakdown can paralyse thousands of critical services and millions of users simultaneously. Sales, productivity and operational capacity are directly threatened.
  • Regulatory exhibition: The jungle of jurisdictions
    Hosting data in foreign jurisdictions complicates compliance with the RGPD, à DORA and NIS2which impose strict requirements on the location and sovereignty of data.
  • Economic and reputational risks : The price of unavailability
    Service interruptions lead to direct financial losses, contractual penalties and an erosion of customer confidence.

These findings underline the need to adopt diversified cloud strategiescombining SecNumCloud qualified sovereign cloud, hybrid cloud and multi-cloudto reduce dependency and strengthen resilience of information systems.

Building digital resilience: three complementary levers

1. Multi-cloud: diversify to secure and optimise

The multi-cloud involves distributing workloads and data across several providers (local or international public clouds, sovereign cloud) to limit dependence on a single player.

The benefits:

  • Reinforcing business continuity automatic switchover of critical applications in the event of failure.
  • Optimising performance Each workload is hosted on the most suitable service.
  • Controlling costs : taking advantage of competition between suppliers.

This approach requires advanced technical governance interoperability via Kubernetes, Terraform, OpenStackunified supervision of securityand rigorous cost monitoring. A expert integration partner is essential for orchestrating these environments.

2. The hybrid cloud: agility, control and sovereignty

The hybrid cloud combines environments private (on-premise), international audiences and sovereignsto reconcile performance, control and safety.

It allows you to :

  • Storing sensitive data in controlled environments (financial, health, critical data...) via a trusted cloud.
  • Exploiting the scalability of the public cloud for less sensitive workloads or peaks in activity.
  • Ensuring business continuity thanks to a redundant architecture.

This approach balances innovation and controlIt meets the requirements of French and European regulations, and is a natural part of a global strategy. multi-cloud.

Discover hybrid solutions as well as experience feedback offered by Cloud Temple.

3. The trusted cloud: a sovereign and secure foundation

For organisations subject to strict regulatory constraints, the digital sovereignty is essential. Visit SecNumCloud-qualified trusted clouds guarantee :

  • Locating and using data in Franceoutside extraterritorial laws.
  • High levels of safety, traceability and transparencyin accordance withANSSI.
  • Legal protection through French governanceoffering total independence.

These environments complement the regulatory requirements of the RGPD, DORAand NIS2 to host critical applications.

Find out more about our sovereign cloud products.

Cloud Temple: building resilience in a trusted cloud

Cloud Temple supports businesses and public sector organisations in the design, operation and security of their cloud infrastructures, whether they are sovereign, hybrid or multi-cloud.

A SecNumCloud-qualified cloud, operated in France

Cloud Temple operates a SecNumCloud qualified trusted public cloudguaranteeing confidentiality, traceability and security. All the infrastructures are hosted and administered in Franceensuring technical and legal independence.

Hybrid and multi-cloud architectures designed for you

Our solutions combine trusted cloud and international services according to your performance, sovereignty and costto limit critical dependencies while maximising the operational flexibility.

Discover the managed services offered by Cloud Temple.

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