Security & Compliance

What is a Disaster Recovery?

Definition

Plans and procedures for restoring IT systems and data after catastrophic events including backup strategies, recovery time objectives, recovery point objectives, and business continuity plans. Disaster recovery ensures minimal downtime with automated failover and geographically distributed backups."

Why This Matters

Disaster recovery planning ensures business continuity during significant disruptions. DR procedures should include backups, failover mechanisms, and geographically distributed infrastructure. Understanding vendor DR capabilities is essential for critical systems.

Related Terms

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Essential Connections

Business Continuity

Security & Compliance

Strategies ensuring critical business operations continue during and after disruptions through redundant systems, alternative processes, emergency protocols, and crisis management plans.

Data Backup

Security & Compliance

Copying data to secondary location for recovery after data loss, corruption, or disaster.

Backup Strategy

Security & Compliance

Plan for data protection including backup frequency, retention periods, storage locations, encryption, testing schedules, and recovery procedures following 3-2-1 rule (3 copies, 2 media types, 1 off-site).

RTO

Security & Compliance

Recovery Time Objective - maximum acceptable downtime after a disaster before business impact becomes unacceptable.

RPO

Security & Compliance

Recovery Point Objective - maximum acceptable data loss measured in time (e.

Incident Response

Security & Compliance

Structured approach to detecting, analyzing, containing, and recovering from security breaches including incident detection, assessment, containment, eradication, recovery, and post-incident review.