Backup & cyber-resilience glossary
Oxibox reference definitions: backup, immutability, air gap, recovery after an attack and business continuity.
Immutable backup
A backup copy that cannot be altered or deleted for a defined retention period.
Air gap
Isolating a backup from the production network so it stays out of reach of an attack.
Ransomware protection
Measures that keep data recoverable despite a ransomware attack.
RPO & RTO
Recovery metrics: maximum tolerable data loss (RPO) and time to restore service (RTO).
3-2-1-1 rule
Three copies, on two media types, with one off-site and one isolated or immutable.
Backup types
Full, incremental and differential backups, and when to use each.
Instant backup
Capturing a point-in-time state of data (snapshot) for fast restore.
IT DRP
A disaster recovery plan describing how IT systems are restored after an incident.
Incremental vs differential
Two ways of backing up data changed since a reference point.
Data loss
Causes, risks and consequences of data loss for an organisation.
Data encryption
Protecting data with encryption, at rest and in transit.
Data governance
A framework for managing data quality, security and compliance.
IT risk management
Identifying, assessing and treating risks to IT systems.
Keep your backups out of attackers’ reach.
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