The term for malicious software designed to harm or exploit devices is malware. This encompasses various types, including viruses, worms, trojans, and ransomware, each designed with specific malicious intents. Malware can steal sensitive information, disrupt services, or damage systems. Protecting against malware requires the use of up-to-date antivirus software, secure browsing practices, and regular system updates to mitigate vulnerabilities and enhance overall cybersecurity.