Cloud Backup
Pronunciation: KLOWD BA-kuhp
Definition
A cloud backup is a recovery copy stored through remotely hosted infrastructure and accessed over a network, often with encryption and account-based access controls. Cloud Backup is complete only when authority, configuration, balances, transaction history, and compromised credentials have been validated or replaced.
Overview
Meaning and scope
A cloud backup is a recovery copy stored through remotely hosted infrastructure and accessed over a network, often with encryption and account-based access controls. Cloud Backup is complete only when authority, configuration, balances, transaction history, and compromised credentials have been validated or replaced.
Mechanism and operation
Wallet applications may back up encrypted seeds, key shares, device state, descriptors, or configuration to cloud storage. Remote storage can protect against loss of the local device and make restoration easier across locations. Account takeover, synchronization errors, deletion, and jurisdictional access remain risks. Sensitive wallet backups should be encrypted before upload with independently protected credentials, use strong account authentication, and avoid exposing a complete spending secret through one cloud identity. Teams should maintain tested recovery options outside the same provider. Convenience improves availability, but cloud storage changes rather than removes backup risk. For Cloud Backup, sensitive recovery material must not appear in the incident record.
Practical payment example
A wallet stores an encrypted recovery artifact in managed cloud storage but keeps the decryption key under separate control.
Operational checks
Evidence for Cloud Backup should preserve incident time, affected identifiers, last known state, claimant and approver checks, backup or share version, actions performed, credentials revoked, assets verified, discrepancies found, and final owner acceptance. Cloud Backup differs from ordinary retry or customer support because it restores authority after a control failure.
Distinctions and limits
Security depends on what is encrypted, where encryption occurs, who holds decryption keys, and how the cloud account is recovered. Provider-side encryption does not prevent the provider or a compromised account from accessing plaintext if it also controls the keys. For example, reinstalling an application is not successful recovery until the correct accounts, networks, balances, policies, and transaction history are reproduced and compromised authority can no longer act.
Related reading
Related definitions: backup.
Example
A wallet stores an encrypted recovery artifact in managed cloud storage but keeps the decryption key under separate control.
Comparison
Security depends on what is encrypted, where encryption occurs, who holds decryption keys, and how the cloud account is recovered. Provider-side encryption does not prevent the provider or a compromised account from accessing plaintext if it also controls the keys.
Key Takeaway
A cloud backup improves off-site availability only when encryption keys and account recovery do not create a single online path to wallet control.
Sources
- NIST Documentation: Cryptographic Standards And Guidelines — NIST (2026-07-30)
- NIST Documentation: Cyberframework — NIST (2026-07-30)