In ISO 27001, how is the information security risk assessment typically conducted?

In ISO 27001, the information security risk assessment is conducted based on documented criteria. This approach ensures a structured and systematic evaluation of risks to information security. Documented criteria outline the processes, methods, and parameters for assessing risks, which helps maintain consistency, accountability, and repeatability in the assessment process.

Using established criteria allows organizations to identify potential threats, vulnerabilities, and impacts on their information security assets effectively. This structured methodology supports a comprehensive understanding of risks and facilitates informed decision-making about implementing necessary controls and risk treatment measures.

Other options, such as informal interviews, partial audits, or random data selection, do not provide the rigorous and formal approach required for an effective risk assessment under ISO 27001. Informal interviews may lead to subjective judgments; conducting assessments only during audits could overlook ongoing risks; and random data selection may not capture the full spectrum of risks relevant to the organization’s information security context.