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☁️ '''Private cloud''' is a cloud computing model in which infrastructure and services are dedicated exclusively to a single organization — in the insurance context, a carrier, [[Definition:Reinsurer | reinsurer]], or large [[Definition:Insurance intermediary | intermediary]] — rather than shared with other tenants as in a [[Definition:Public cloud | public cloud]] environment. The hardware may reside in the insurer's own [[Definition:Data center | data center]] (an on-premises private cloud) or be hosted by a third-party provider in a dedicated, isolated environment, but in either case the computing resources are not pooled with those of other organizations. Private cloud architectures appeal to insurers that want the operational benefits of cloud computing — self-service provisioning, elasticity, and infrastructure-as-code practices — while retaining a level of control and isolation that addresses [[Definition:Data security | data security]], [[Definition:Regulatory compliance | regulatory]], and [[Definition:Data residency | data residency]] concerns specific to handling sensitive policyholder and claims information.

🔧 A private cloud operates using many of the same technologies that power public cloud platforms — [[Definition:Server virtualization | virtualization]], software-defined networking, orchestration tools such as Kubernetes or VMware vSphere, and automated resource management — but deploys them within a boundary controlled by the insurer or its designated hosting partner. IT teams provision [[Definition:Virtual machine (VM) | virtual machines]], containers, and storage on demand through a management portal, scaling capacity up or down without the lead times associated with traditional [[Definition:On-premises infrastructure | on-premises]] hardware procurement. In practice, many insurers use private cloud to host their most sensitive workloads — [[Definition:Core system | core]] [[Definition:Policy administration system (PAS) | policy administration]], [[Definition:Actuarial modeling | actuarial modeling]] environments processing proprietary risk data, and [[Definition:Regulatory reporting | regulatory reporting]] systems — while directing less sensitive applications to public cloud. This [[Definition:Hybrid cloud | hybrid]] approach allows the organization to satisfy regulators and internal [[Definition:Risk management | risk management]] requirements while still benefiting from the broader ecosystem and innovation velocity of public cloud providers for non-critical workloads.

🔐 For insurers navigating a complex global regulatory landscape, private cloud offers a pragmatic middle path. In markets where supervisors have expressed caution about reliance on a small number of hyperscale public cloud providers — concerns voiced by regulators in the European Union, the United Kingdom, and parts of Asia — private cloud deployments can mitigate concentration risk and demonstrate robust data governance. Large reinsurers and global composite insurers often maintain private cloud environments in multiple geographies to ensure compliance with local data handling rules while still enabling centralized management and consistent security standards. The trade-off is cost: private clouds require significant capital investment or substantial hosting fees and demand skilled personnel to manage, making them more expensive per unit of compute than public cloud at scale. As the insurance industry's comfort with public and hybrid cloud models deepens, the role of private cloud is gradually narrowing to the most regulation-sensitive and performance-critical use cases — but for many carriers, it remains an essential component of their overall technology strategy.

'''Related concepts:'''
{{Div col|colwidth=20em}}
* [[Definition:Public cloud]]
* [[Definition:Hybrid cloud]]
* [[Definition:Cloud computing]]
* [[Definition:On-premises infrastructure]]
* [[Definition:Data residency]]
* [[Definition:Server virtualization]]
{{Div col end}}

Definition:Private cloud - Revision history

PlumBot: Bot: Creating new article from JSON