worms and trojan horses are examples of _____.\na. malware\nb. encryption keys\nc. spamming programs\nd…

Brief Explanations:

Worms and Trojan - horses are types of malicious software. Malware is software designed to harm or exploit any computing system. Encryption keys are for data encryption, spamming programs are for sending unsolicited messages, and spyware is for spying on user activity. Worms and Trojans fall under malware.

Answer:

A. malware