Discuss the role of confidentiality, integrity, and availability in the context of database security. Address the following in your post:
How can confidentiality be maintained, and what controls, like encryption or access restrictions, are effective?
How does proper database design support data integrity and prevent unauthorized modifications?
What techniques ensure data availability and reduce the risk of downtime?
In the realm of database security, the CIA Triad (Confidentiality, Integrity, and Availability) serves as the foundational framework for protecting sensitive information. For a healthcare organization or any data-driven practice, these three pillars ensure that patient records are private, accurate, and ready when needed.
Confidentiality ensures that sensitive data is accessible only to authorized users. In practice, this is the "gatekeeper" function of database security.
Access Restrictions (Role-Based Access Control - RBAC): This is one of the most effective controls. Instead of giving every user full access, permissions are granted based on the user's specific role. For example, a nurse may see patient vitals, while a billing clerk only sees insurance information.
Encryption: * Data at Rest: Encrypting the actual files on the disk so that if a hard drive is stolen, the data is unreadable.
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