Why is encryption vital in managing sensitive data?

Encryption is vital in managing sensitive data primarily because it ensures that unauthorized users cannot access the data. This protective measure transforms the original data into an unreadable format, which can only be reverted to its original state with the correct decryption key. Thus, even if sensitive data is intercepted during transmission or accessed without permission due to a security breach, encryption secures it by preventing unauthorized parties from understanding or utilizing the information.

While other options mention aspects of data management and processing, they do not capture the primary purpose of encryption. For example, making data processing faster, aiding in data cleaning, or simplifying data sharing, are not direct benefits of encryption. In fact, encryption can sometimes add overhead to data processing and sharing due to the additional steps required for decryption. However, the core role of encryption is to protect data from unauthorized access, which is crucial for maintaining the confidentiality and integrity of sensitive information.