Description: Put Object ACL is an API operation in Amazon Web Services (AWS) that allows setting the access control list (ACL) for an object stored in Amazon S3 (Simple Storage Service). This operation is fundamental for managing data security and access, as ACLs determine who can access an object and what type of permissions they have. ACLs can be configured to allow public, restricted, or specific access to certain users or groups. By using this operation, administrators can define permissions such as read, write, and delete, ensuring that only authorized users can interact with the objects. The flexibility of ACLs allows organizations to tailor their access policies to the specific needs of their applications and users, which is crucial in environments where data security is a priority. Additionally, the ability to modify an object’s ACL at any time provides dynamic control over data access, allowing businesses to respond quickly to changes in their security requirements.