Which cyber security practice helps in maintaining the confidentiality of information?

Encryption is a fundamental practice in cybersecurity that ensures the confidentiality of information. When data is encrypted, it is transformed into a format that cannot be easily understood or accessed by unauthorized individuals. This process involves using algorithms to scramble the information, making it readable only by someone who possesses the correct decryption key. As a result, even if data is intercepted during transmission or accessed from a database without authorization, it remains protected from prying eyes. This is essential for protecting sensitive information such as personal details, financial records, or proprietary business data.

In contrast, logging entails recording events or activities on a system, which can be crucial for monitoring and detecting unauthorized access but does not directly contribute to maintaining confidentiality. Segmentation involves dividing a network into smaller, manageable parts to enhance security and limit exposure, but it does not necessarily encrypt or obscure the data itself. Device management focuses on overseeing and maintaining devices to ensure their security, which is important for overall cybersecurity but does not specifically address the confidentiality of the information processed by those devices. Thus, encryption stands out as the clear choice for safeguarding data confidentiality.