Match the malware types to their descriptions.
Viruses
Spyware
Trojan horses
Worm

Malicious software that allows a third
party to collect data and track activity
on a computer
Malicious software that self-replicates
and spreads throughout a network
Malicious code that spreads itself,
infecting devices to damage or steal
data
Malicious computer programs similar to
viruses that users must execute