CompTIA Security+ (SY0-701) — Question 314

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?

Answer options

• A. Hashing
• B. Obfuscation
• C. Tokenization
• D. Masking

Correct answer: C

Explanation

Tokenization is the best method for securing sensitive data like credit card information, as it replaces the actual data with unique identifiers or tokens, ensuring that the original information is not exposed. Hashing, obfuscation, and masking do not provide the same level of security, as they may still allow for the original data to be compromised or reverse-engineered.