IaaS (Infrastructure-as-a-Service): Offers a hybrid approach, which allows organizations to manage some of their data and applications on-premises. At the same time, it relies on cloud providers to manage servers, hardware, networking, virtualization and storage needs.PaaS (Platform-as-a-Service): Gives organizations the ability to streamline their application development and delivery. It does so by providing a custom application framework that automatically manages operating systems, software updates, storage and supporting infrastructure in the cloud.SaaS (Software-as-a-Service): Provides cloud-based software hosted online and typically available on a subscription basis. Third-party providers manage all potential technical issues, such as data, middleware, servers and storage. This setup helps minimize IT resource expenditures and streamline maintenance and support functions., Cloud security refers to the cybersecurity policies, best practices, controls, and technologies used to secure applications, data, and infrastructure in cloud environments., Cloud security is a collection of procedures and technology designed to address external and internal threats to business security. Organizations need cloud security as they move toward their digital transformation strategy and incorporate cloud-based tools and services as part of their infrastructure..