The process of creating duplicate copies of digital information to protect against data loss, corruption or unavailability

Location

Onsite Backup
Offsite Backup

Storage of duplicate copies of data at a geographically separate location from the primary data source to provide protection against physical disasters and to ensure data continuity

Frequency

Consult the Recovery Point Objective (RPO) of the organization to confirm backup preserves necessary data amount
Data Change Frequency also needs to be considered


Encryption

Data at Rest Encryption
Data in Motion Encryption

Snapshots

Point-in-time copies of the data that capture a consistent state that is essentially a frozen in time copy of the data

Recovery

Used to regain access to the data in the event of a data loss or system failure

Replication

Making real-time copies of the data

Journaling

Maintaining a meticulous record of every change made to an organizations data over time