Bitdefender earned perfect scores across the board, detecting 100% of Mac malware, Mac PUAs (Potentially Unwanted Applications), and Windows malware. The latest report from AV-Comparatives includes Bitdefender, but Kaspersky wasn’t tested. A good score from one of these labs goes a long way toward proving a product’s efficacy. Two of these labs also run tests on macOS antivirus products. We follow four independent antivirus testing labs that regularly test and report on Windows-based antivirus products, rating them to indicate which are the most effective. So how do we know these Mac-specific products even work? Our malware samples likewise infect Windows, not any other operating system. But these utilities, developed over a period of years, don't run under macOS. This allows some heavy-duty hands-on testing.

Let’s Ask the Labsįor our Windows antivirus reviews, we use an assortment of purpose-built utilities and a collection of several dozen real-world malware samples. Will Norton take out Bitdefender as well, or will Bitdefender reign supreme? Read on to find out. In a previous head-to-head matchup, Norton edged out Kaspersky. They all go significantly beyond simple antivirus protection. We’ve identified Bitdefender Antivirus for Mac, Kaspersky Internet Security for Mac, and Norton 360 Deluxe (for Mac) as Editors’ Choice products for macOS antivirus protection.