A company is developing a security policy for secure communication. in the exchange of critical messages between a headquarters office and a branch office, a hash value should only be recalculated with a predetermined code, thus ensuring the validity of data source. which aspect of secure communications is addressed?

Question: A company is developing a security policy for secure communication. in the exchange of critical messages between a headquarters office and a branch office, a hash value should only be recalculated with a predetermined code, thus ensuring the validity of data source. which aspect of secure communications is addressed?

The aspect of secure communications that is addressed by the use of a hash value and a predetermined code to ensure the validity of data source is data integrity. Data integrity ensures that the data being transmitted or stored is accurate, complete, and has not been tampered with. By using a hash value and a predetermined code to recalculate the hash, the receiving party can verify that the data has not been modified during transmission, and that it came from the expected source. This helps to prevent unauthorized access or tampering with the data, ensuring the confidentiality, integrity, and availability of the communication.

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