A database administrator is updating the company's SQL database, which stores credit card information for pending purchases. Which of the following is the best method to secure the data against a…

The correct answer is C. Tokenization. Tokenization replaces sensitive data, such as credit card information, with unique, nonsensitive tokens that have no exploitable value outside the system. The original data is securely stored in a separate token vault, making it inaccessible even if the database is breached…

Submitted by tunde_lagos· Mar 6, 2026Threats, vulnerabilities, and mitigations

Question

A database administrator is updating the company's SQL database, which stores credit card information for pending purchases. Which of the following is the best method to secure the data against a potential breach?

Options

AHashing
BObfuscation
CTokenization
DMasking

How the community answered

(28 responses)

A
11% (3)
B
4% (1)
C
71% (20)
D
14% (4)

Explanation

Tokenization replaces sensitive data, such as credit card information, with unique, nonsensitive tokens that have no exploitable value outside the system. The original data is securely stored in a separate token vault, making it inaccessible even if the database is breached. This approach is widely used in payment processing and ensures compliance with standards like PCI DSS (Payment Card Industry Data Security Standard).

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