Approving Sensor Extensions Manually in macOS 11.x (Big Sur)

Products

• Carbon Black EDR (formerly Cb Response)

Issue/Introduction

How to approve system extensions for macOS sensor manually 

Environment

• EDR Sensor: 7.0.1 and later
• Apple macOS: 11.x and later

Resolution

1. During install of 7.x mac sensor, you will receive a "System Extension Blocked" prompt, click "Open Security Preferences"

 

2.  Click Unlock to change settings and click "Allow"

 

3. Installation will proceed and then prompt to approve "es-loader" for Network Filter.  Confirm by clicking Allow

4. Installation will complete.  Navigate to Security & Privacy System Preferences and click "Privacy" tab.  Locate "Full Disk Access" option, and click the checkbox next to "es-extension"

 

Additional Information

• If Full Disk Access is not granted to es-extension after installation completes, the sensor will function, but Live Response feature will not function as expected and not be able to reach all locations on endpoint disk.
• Also refer to these instructions
• These steps can be used to validate install