• A wom is a malware that copies and replicates itself using network and security flaws
•A spyware is a malware that secretly monitors and collects information about a user's activities
• A trojan horse is a malware that disguises as a legitimate program or file but actually contains malicious code designed to harm your computer or steal your data.
•A rootkit virus is a malware that hides itself and other malwares from the system software, allowing them to persist and cause harm without being detected.