Malware programs have increased with greater internet usage, infecting systems and threatening security. There are various types of malware like viruses, trojans, worms, spyware and adware that infect systems through emails, downloads and other methods. While technologies like firewalls, antivirus software and encryption help secure systems and networks, the growing sophistication of malware poses ongoing challenges to internet security. Teaching users about malware types and prevention methods is important for protecting systems and information.