MacVoices #21091: Joe Kissell Takes Control of Backing Up Your Macs, 4th Edition (1) Joe KissellĀ is back with the fourth edition of Take Control of Backing Up Your Mac. A lot has changed in the world of backups, more than you realize. Joe digs deep on the issue of the M1 Macs and bootable backups. Along the way, we touch on SSDs, how to think about partitions in Big Sur, why ransomware works, and how to protect yourself. (Part 1)