Private cloud is a cloud computing environment dedicated to a single customer. It combines many of the benefits of cloud computing with the security and control of on-premises IT infrastructure.

Private cloud (also known as an internal cloud or corporate cloud) is a cloud computing environment in which all hardware and software resources are dedicated exclusively to, and accessible only by, a single customer. Private cloud combines many of the benefits of cloud computingincluding elasticity, scalability, and ease of service deliverywith the access control, security, and resource customization of on-premises infrastructure.

Many companies choose private cloud over public cloud (cloud computing services delivered over infrastructure shared by multiple customers) because private cloud is an easier way (or the only way) to meet their regulatory compliance requirements. Others choose private cloud because their workloads deal with confidential documents, intellectual property, personally identifiable information (PII), medical records, financial data, or other sensitive data.

By building private cloud architecture according to cloud native principles, an organization gives itself the flexibility to easily move workloads to public cloud or run them within a hybridcloud (mixed public and private cloud) environment whenever theyre ready.

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What is Private Cloud? | IBM