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Training Camp • Cybersecurity Glossary
Copy of data stored separately for disaster recovery
Backup Definition: Copy of data stored separately for disaster recovery
A backup in cybersecurity is a copy of data created and stored separately from the original to protect against data loss due to cyberattacks hardware failure or disasters. Effective backup strategies follow the 3-2-1 rule having at least three copies on two different media types with one stored offsite and incorporate encryption immutability regular testing and versioning to ensure data can be recovered following incidents like ransomware attacks.
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