3-2-1 Backup Strategy: A best practice for data protection and disaster recovery, recommending three copies of data stored on two different types of storage media, with one of the copies stored off-site. This strategy offers multiple recovery points and storage diversity to increase the likelihood of data recovery after a disaster, ensuring data safety even when faced with hardware failure, natural disaster, or accidental deletion.
Categories: CC D2: BC - DR and Incident Response Concepts | CCSP D3: Cloud Platform and Infrastructure Security | CISM D4: Incident Management | CISSP D7: Security Operations | Security+ D5: Security Program Management and Oversight | SSCP D4: Incident Response and Recovery
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