"Malware" refers to malicious software designed to disrupt, damage, or gain unauthorized access to computer systems. This term encompasses various types of threats, including viruses, worms, trojans, and ransomware. Malware can cause significant harm by stealing sensitive information, corrupting files, or hijacking system resources. Protecting against malware involves using anti-virus software, keeping systems updated, and practicing safe browsing habits to minimize risk and enhance cybersecurity.