If your system can write 60 second video chunks, then you can sftp the data to a write-only (append only) off site location and only when there is motion. If y

If your system can write 60 second video chunks, then you can sftp the data to a write-only (append only) off site location and only when there is motion. If your system is properly physically secured, then the most you can lose is 60 seconds of them tampering with the cabinet.