CompTIA CySA+ CS0-003 Practice Question
A financial institution has reported a significant discrepancy in its transaction records, indicating possible unauthorized modifications. Which control should be prioritized to verify and safeguard the integrity of these records?
Perform regular backups of the transaction records.
Establish strict access control lists for all financial records.
Encrypt all transaction data to prevent unauthorized access.
Implement cryptographic hash functions to compare current records against trusted hash values.