Single Point of Failure

From Open Risk Manual

Definition

Single Point of Failure . A unique pathway or source of a service, activity, and/or process. Typically, there is no alternative and a loss of that element could lead to a failure of a critical function. Unique (single) source or pathway of a service, activity and/or process; typically there is no alternative, and loss of that element could lead to total failure of a mission critical activity and/or dependency.