The evolution of cyber threats and operational incidents has rendered the historic 3-2-1 backup rule insufficient. Today, backups are a key element of business continuity and operational resilience: without isolation, immutability, and rigorous recovery testing, recovery capability remains only theoretical. This article takes a technical look at the 3-2-2-1-1-0 rule, explaining why backup is no longer an IT function, but a true business continuity capability.
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Business Impact Analysis (BIA) is the starting point of any effective Business Continuity Management system. Without proper analysis of impacts, recovery times and process priorities, business continuity remains a theoretical exercise. This article explains why BIA is essential for making informed decisions, properly allocating resources, and building real operational resilience.