Certified Secure Software Lifecycle Professional Practice Exam 2025 - Free Practice Questions and Study Guide

The key advantage of homomorphic encryption is that it enables processing of encrypted data without decryption. This distinctive feature allows computations to be performed on data while it remains encrypted, meaning that sensitive information can be securely handled and analyzed without ever exposing the raw data. This capability is particularly useful in scenarios where privacy is crucial, such as in cloud computing or when working with untrusted environments. By maintaining data confidentiality while still allowing for computational operations, homomorphic encryption serves a vital role in protecting sensitive information throughout its lifecycle. This makes it a powerful tool in various applications, ranging from secure data sharing among multiple parties to privacy-preserving machine learning.

Other options do not accurately capture the specific advantage of homomorphic encryption. For instance, decrypting data during processing contradicts the primary function of homomorphic encryption, which is to keep data encrypted even while performing operations. Preventing unauthorized access touches on overall data security practices but does not specifically relate to the unique processing capabilities of homomorphic encryption. Lastly, while key management is an essential aspect of encryption, simplifying the encryption key management process is not a direct benefit of homomorphic encryption itself.