During this preview period, users will be able to use Microsoft Defender ATP for Mac will be able to carry out all essential security task such as running full malware scans, review detected threats, and take actions on these threats (such as quarantine, remove, or allow). Microsoft Defender ATP for Mac endpoint client can be installed on devices running macOS Mojave, macOS High Sierra, or macOS Sierra. Security teams can go ahead and try Microsoft Defender for Mac by enabling preview features via the onboarding section on Microsoft Defender Security Center.

This is a pre-release version that requires a Microsoft Defender ATP subscription. To be clear, this service is more for businesses and IT professionals so that they can manage Mac and Windows devices simultaneously. After following through with internal testing and a private preview phase, the Microsoft Defender ATP for Mac public preview has now been released. Microsoft first announced the release of its Defender Advanced Threat Protection for Mac back in March of this year.