Description: Federated data security refers to the protection of data shared between federated systems, where multiple entities collaborate and share information without compromising data privacy and integrity. This approach is fundamental in environments where data is distributed across different domains or platforms, such as in the cloud. Federated data security is based on principles of least privilege, where each entity must verify the identity and authorization of users before granting access to data. This involves the use of advanced technologies such as encryption, multifactor authentication, and granular access policies. Additionally, it focuses on continuous monitoring and incident response to detect and mitigate potential threats. Implementing this security is crucial for complying with data protection regulations and ensuring that sensitive information is not exposed to unnecessary risks. In an increasingly interconnected world, federated data security becomes an essential pillar for organizations seeking to collaborate securely and efficiently while protecting the critical information of their users and customers.