Usual DR stuff covers this and everything else, no one person should have the keys to the kingdom or in this case access to the offsite backups. Offsite because

Usual DR stuff covers this and everything else, no one person should have the keys to the kingdom or in this case access to the offsite backups. Offsite because fire, earthquake, zombie apocalypse, covfefe,... google 'disaster recovery'. If you are a small company take the backups home with you and lock them in the safe in the den. Trust nobody including yourself.