Sensor release 3.5.1.19 introduces experimental support for the Apple Silicon M1 using the non-native, emulation mode.
Native support for the Apple Silicon architecture will be available in a future release.
The 3.5.1.19 Sensor must be run in Emulation and installed in System Extension (SysEXT) mode, and Kernel Extensions (KEXTs) are not supported on M1 in emulation
Please see https://community.carbonblack.com/t5/Documentation-Downloads/Carbon-Black-Cloud-macOS-Big-Sur-Functionality-Overview/ta-p/97900#M105 for information on which functionality is supported for KEXT mode and SysEXT mode