So you may be asking yourself a question like “Do I Need Antivirus for Macbook Air?”īut with the increase in computer viruses and cyber attacks, you may want to consider adding an additional level of protection by installing an antivirus software designed specifically for a Mac. The company’s built-in defense systems provide acceptable protection from viruses and malware. Mac (Apple) computers have experienced a considerable reputation for being virtually unaffected by viruses and many other types of malware.