CompTIA Security+ (SY0-501) — Question 589

Which of the following is MOST likely caused by improper input handling?

Answer options

• A. Loss of database tables
• B. Untrusted certificate warning
• C. Power off reboot loop
• D. Breach of firewall ACLs

Correct answer: A

Explanation

The correct answer is A, as improper input handling can lead to SQL injection or similar vulnerabilities that may result in the loss or corruption of database tables. The other options, while serious issues, are not directly linked to input handling; B relates to certificate validation, C concerns hardware or software failures, and D pertains to network security configurations.