Which of the following is NOT a method to improve security assessment efficiency?

Conducting assessments without prior preparation is indeed not a method to improve security assessment efficiency. In fact, a lack of preparation can lead to a number of issues that undermine the assessment process, such as incomplete evaluations, missed vulnerabilities, and inefficient use of time and resources.

Preparation is essential for a thorough assessment because it allows assessors to familiarize themselves with the system, understand its architecture, and anticipate potential security risks. Proper preparation might include reviewing the scope of the assessment, collecting relevant documentation, and understanding the latest security requirements and guidelines. Without this groundwork, the assessment risks becoming haphazard and ineffective, ultimately failing to identify key vulnerabilities and leaving the organization exposed.

On the other hand, implementing automation tools, utilizing standardized procedures, and referring to previous assessments can all significantly enhance the efficiency of security assessments. Automation can expedite repetitive tasks, standardized procedures provide a consistent framework, and previous assessments can offer invaluable insights that help focus current evaluations. Thus, preparation enhances the overall quality and efficiency of the assessment, contrasting starkly with the drawbacks of unprepared assessments.