How do the Diamond Model of Intrusion Analysis and the OSSTMM differ?

The Diamond Model of Intrusion Analysis and the OSSTMM (Open Source Security Testing Methodology Manual) serve different purposes in the field of cybersecurity, which is why the chosen answer is accurate.

The Diamond Model focuses on the stages of an attack, breaking down the phases into four core components: the adversary, capabilities, infrastructure, and victim. This model is designed to provide a comprehensive framework for analyzing intrusions, allowing analysts to understand and visualize the attack process, including the relationships between these components and how they contribute to successful intrusions.

On the other hand, the OSSTMM emphasizes a methodology for testing and assessing the security of systems and networks. This framework provides guidelines and best practices for conducting security testing to evaluate the effectiveness of security measures. It outlines various testing methods across different areas of security, focusing on operational security measures rather than specifically on the attack phases.

Given this context, the selected answer correctly highlights that the Diamond Model is oriented around attack stages, while OSSTMM focuses on the methods applied in vulnerability testing and security assessments.