There is a new update for Cisco AMP (Advanced Malware Protection) for Mac OS ‘Big Sur’, which will be applied automatically in the background. After this update is applied, you should check that the AMP application still has access to your computer’s System Extension and has Full Disk access.
These documents will show you how to,
Check System Extension:
https://www.cisco.com/c/en/us/support/docs/security/amp-endpoints/216089-advisory-for-amp-for-endpoints-mac-conne.html#anc3
Check Full Disk Access:
https://www.cisco.com/c/en/us/support/docs/security/amp-endpoints/216089-advisory-for-amp-for-endpoints-mac-conne.html#anc6
Contact the LFS Learning Centre, it@landfood.ubc.ca, if you have any questions or would like assistance with this procedure.