A DDoS attack is a malicious attempt to disrupt the normal traffic of a targeted server, service, or network. What does the first 'D' in DDoS stand for?

Which of the following actions is NOT performed by malware?

Deceptive programs that appear to perform one useful function, but secretly perform malicious activities, are known as:

Which of the following can be categorized as malicious software (malware)? I. Spyware II. Keyloggers III. Ransomware IV. Trojan horses