What level of USB device control comes with this new capability? Enabling removable device control policies reduces the attack surface on user’s machines and protects organizations against malware and data loss in these scenarios. Many users will plug in USB removable storage devices without considering their potential security risk. Preventing threats and securing your organization takes a multi-layered approach. Today we are thrilled to announce the public preview of USB storage device control for Mac! In line with our commitment to rapidly expand Microsoft Defender for Endpoint cross-platform capabilities, we are preparing a set of enhancements to further reduce organizational exposure attributed to common end user activities. Microsoft Defender for Endpoint on Mac USB storage device control is in general availability as of July 2021.