Testing your backups at least once per month is important to maintain engineering best practices, to comply with stringent standards for data protection and recovery, and to gain confidence and peace of mind. In the midst of disaster is not the time to determine the flaws in your backup and recovery system. Backup alone is useless without the ability to efficiently recover, and technologists know all too well that the only path from “ought to work” to “known to work” is through testing.