Which component ensures data security within the Navy Cash system?

The component that ensures data security within the Navy Cash system is encryption protocols. Encryption protocols provide a layer of protection by converting sensitive data into a coded format that is unreadable to unauthorized users. This ensures that even if data is intercepted during transmission, it cannot be deciphered without the appropriate decryption key.

Encryption protocols are critical for maintaining the confidentiality and integrity of financial transactions and personal information handled by the Navy Cash system. They help safeguard against data breaches and unauthorized access, which is particularly important in a military context where information security is paramount.

While card readers, transaction logs, and user authentication methods are important for operational functions and access control, they do not inherently secure the data itself as effectively as encryption protocols do. Therefore, encryption is the cornerstone of data security in the Navy Cash system.