A financial services company is deploying a new database to store transaction records. A primary security requirement is to ensure that once a transaction is recorded, it cannot be secretly modified or deleted by unauthorized personnel. The system must also include checks to verify that the data remains accurate and complete over its entire lifecycle. Which security principle does this requirement primarily address?
Integrity is the principle of ensuring that data remains accurate, complete, and trustworthy throughout its lifecycle, and has not been altered by unauthorized parties. In this scenario, the requirement to prevent unauthorized modification of transaction records and verify their accuracy directly addresses data integrity. Confidentiality would involve protecting the records from unauthorized viewing, while availability would ensure the database is accessible to authorized users when needed. Non-repudiation would provide proof of who created a transaction.
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What specific measures can be implemented to ensure data integrity?
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How does integrity differ from confidentiality and availability in the CIA triad?
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What tools or concepts aid in ensuring data remains trustworthy over its lifecycle?