Question

a blank uses multiple systems to attack one or more victim systems or websites with the intent of denying service to legitimate users wishing to log on or utilize the attacked server.

viruses

trojan

worms

denial - of - service attacks

Explanation:

Viruses, Trojans, and Worms are malware that have different malicious intents like data - stealing or self - replication. A Denial - of - Service (DoS) attack uses multiple systems to flood a victim system or website, denying service to legitimate users.

Answer:

Denial - of - Service attacks