CompTIA CySA+ (CS0-002) — Question 167

Which of the following solutions is the BEST method to prevent unauthorized use of an API?

Answer options

• A. HTTPS
• B. Geofencing
• C. Rate limiting
• D. Authentication

Correct answer: D

Explanation

Authentication is crucial for ensuring that only authorized users can access the API, making it the best solution for preventing unauthorized use. While HTTPS secures the data in transit, geofencing and rate limiting do not specifically address user identity verification, which is essential for preventing unauthorized access.