It’s a broad term that refers to all unwanted intrusions, and common examples include viruses, Trojans, adware, potentially unwanted programs (PUPs), spyware, keyloggers, botnets, and ransomware. Malware is short for malicious software designed to steal data and damage computer systems. The number of active threats targeting the macOS system is increasing, and although Macs are better protected from attacks than PCs due to their in-built security features, they may get infected and they do. Gone are the days when Mac users could feel confident that their operating system is immune to malware.