Infrastructure as a Service (IaaS) offers organizations virtualized computing resources, such as servers, storage, and networking, over the internet. With IaaS, businesses can scale their infrastructure based on demand, eliminating the need for costly, on-premise hardware. This cloud model provides flexibility for deploying, managing, and scaling applications without the complexities of maintaining physical infrastructure. IaaS providers offer a range of customizable services, including virtual machines, databases, and load balancing. This approach allows businesses to focus on innovation and development rather than managing servers and other infrastructure components. IaaS also enhances disaster recovery and business continuity, as cloud providers ensure high availability and data redundancy. Security features, such as firewalls and encryption, safeguard data and applications from unauthorized access. By adopting IaaS, organizations can reduce capital expenditures, improve operational efficiency, and support rapid growth, making it a valuable solution for modern enterprises looking to optimize their IT infrastructure.