Backup could (should?) be on tape, which once written is physically removed from the system and put in cold storage for some period of time (years?). That's ho

Backup could (should?) be on tape, which once written is physically removed from the system and put in cold storage for some period of time (years?). That's how we did it at my first job, at least. Of course IANAL so idk how this jives with various EU laws.