Business Impact Analysis (BIA) is a process of identifying and evaluating the potential impacts of disruptions to critical business processes, systems, and resources. One of the objectives of BIA is to validate the dependencies of the organization’s essential functions and operations. Dependencies are the relationships or interconnections between the organization and its internal or external stakeholders, such as suppliers, customers, partners, regulators, etc. Dependencies can affect the organization’s ability to deliver its products and services, and therefore, they need to be considered in the BIA process. According to ISO/TS 22317:2021, there are two types of dependencies that are validated by BIA: internal dependencies and external dependencies1. Internal dependencies are the dependencies within the organization, such as between different functions, processes, activities, resources, or locations. For example, a production function may depend on the supply of raw materials from a warehouse, or a finance function may depend on the availability of an accounting system. Internal dependencies can be identified by analyzing the inputs and outputs of each function or process, and the resources required to support them. External dependencies are the dependencies outside the organization, such as with suppliers, customers, partners, regulators, or other stakeholders. For example, a retail company may depend on the delivery of goods from its suppliers, or a bank may depend on the compliance with regulatory requirements. External dependencies can be identified by analyzing the contracts, agreements, or expectations with the external parties, and the potential impacts of their failure or disruption. References:
ISO/TS 22317:2021, clause 6.3.2
