Amazon Web Services (AWS) is a cloud computing platform that provides a wide range of services, including storage, computing, and networking. AWS allows businesses to access cloud-based solutions for their IT needs. 

 The main benefits of AWS are: 

1. Scalability & Flexibility: With AWS, you can easily scale up or down depending on the amount of computing capacity you need. You can also use many different types of services and resources depending on your needs. This makes it easy to quickly adapt to changes in your business environment.

2. Cost Savings: By leveraging the economies of scale, AWS can offer significant cost savings over traditional IT setups. As your business grows, you can easily add new services and resources without having to invest in additional hardware.

3. Security: AWS offers a variety of security measures, such as encryption, identity and access management, and threat detection. Additionally, AWS is compliant with many industry regulations, making it a secure option for businesses.

4. Reliability: AWS is a reliable platform, offering high availability and uptime. If one system goes down, AWS can automatically failover to another system.

5. High Performance: AWS offers high performance, allowing you to run large workloads quickly and efficiently. This makes it ideal for time-sensitive operations.