What method is best for ensuring that a business continuity plan remains current?

The best method for ensuring that a business continuity plan remains current is walking through different scenarios of the plan. This approach allows organizations to actively engage in simulations that reflect potential disruptive events, thereby identifying gaps or potential improvements in the plan. By regularly testing various scenarios, the organization can assess how well the plan functions under different circumstances, make necessary adjustments, and ensure that all personnel are familiar with their roles and responsibilities in the event of an actual disruption. This proactive engagement helps in maintaining the relevance and effectiveness of the business continuity plan over time, as it forces updates based on evolving business processes and emerging threats.

While verifying specific systems at the alternate site, ensuring awareness of full-interruption test procedures, and promoting interdepartmental communication are also important practices, they do not comprehensively address the need for ongoing evaluation and revision of the plan itself like scenario walking does.