A Single Point of Failure (SPOF) represents a non-redundant element in a system where failure immediately disrupts the entire operation without backup or alternative pathway. SPOFs create concentration risk and threaten operational resilience, requiring identification and remediation through redundancy, failover mechanisms, or backup systems. In cloud architecture, a single availability zone deployment represents a SPOF; multi-zone deployment eliminates this vulnerability. Organizations conduct SPOF analysis as part of business continuity planning, examining technology infrastructure, key personnel dependencies, critical suppliers, and essential processes to architect resilience through diversification and redundancy.