Certified Incident Handler (ECIH v3) — Question 7

A distributed Denial of Service (DDoS) attack is a more common type of DoS Attack, where a single system is targeted by a large number of infected machines over the Internet. In a DDoS attack, attackers first infect multiple systems which are known as:

Answer options

• A. Trojans
• B. Zombies
• C. Spyware
• D. Worms

Correct answer: B

Explanation

The correct answer is B, as 'Zombies' refer to the infected machines that are used to carry out the DDoS attack. Options A (Trojans), C (Spyware), and D (Worms) refer to different types of malware that do not specifically denote compromised machines used in a DDoS attack.