Musing: There's a step further along the spectrum that echoes the relationship, where where "backup" != "backup that resists malware". In other words, a backup

Musing: There's a step further along the spectrum that echoes the relationship, where where "backup" != "backup that resists malware". In other words, a backup can be degraded into a sync-to-nothing situation if the client logic is untrustworthy.