Mac antivirus, it seems, is becoming more and more crucial by the year.Īt the base of Intego's antivirus is its basic Mac Internet Security that bundles Intego's antivirus, VirusBarrier, with its firewall, NetBarrier. Although Macs may have a reputation for being invulnerable to viruses, the figures tell a different story: independent testing lab AV-Comparatives says malware targeting Macs is growing daily, and the company has now registered more than 700,000 different samples.