def private_cloud():
    """
    Returns a detailed summary of all important Private Cloud points
    including advantages and disadvantages, in the same style as public_cloud().
    """

    summary = """
Private Cloud — Key Points

1. Definition:
   A private cloud is a cloud deployment model where the cloud infrastructure is used
   exclusively by a single organization. It offers dedicated compute, storage, and network
   resources that are not shared with others.

2. Ownership:
   The infrastructure can be owned, managed, and operated either by the organization itself
   or by a third-party provider, but access is restricted to one specific organization.

3. Characteristics:
   - Extremely high security and privacy due to isolation.
   - Full control over hardware, data, applications, and configurations.
   - Highly customizable according to business or regulatory needs.
   - Designed for sensitive, mission-critical workloads.
   - More costly than public cloud because the infrastructure is dedicated.

4. Purpose:
   Used when organizations require strict control, high security, or compliance with
   government, industry, or internal data regulations.

5. Security:
   Much stronger security than public cloud because the infrastructure is not shared.
   Suitable for confidential data, classified information, or regulated workloads.

6. Typical use cases:
   - Banking and financial services.
   - Government, military, and defence.
   - Healthcare and hospitals with strict privacy rules.
   - Large enterprises requiring complete infrastructure control.

7. Role in Cloud Models:
   Private cloud can provide IaaS, PaaS, or SaaS within the organization,
   but access always remains private and internal.

8. Providers:
   VMware vSphere, OpenStack, Microsoft Azure Stack, AWS Outposts.

9. Advantages:
   - Highest level of security and privacy.
   - Full control over hardware and software configurations.
   - Better performance due to dedicated resources.
   - Customizable infrastructure to meet specific needs.
   - Ideal for regulatory compliance and sensitive industries.

10. Disadvantages:
    - Very expensive to set up and maintain.
    - Requires skilled IT staff for management.
    - Limited scalability compared to public cloud.
    - Hardware upgrades and maintenance are the organization’s responsibility.

    """

    return summary
