Amateur Security Archaeologists, trying not to break things.
To be clear, I don’t want you to raze the Amazon Rainforest here. What I am referring to for this blog post is another visualization technique. Where as DFDs focused on understanding the flow of information through your systems, Attack Trees are another graphical representation to uncover how an attacker might exploit weaknesses in a system to achieve specific malicious objectives.
We’ve talked about Microsoft’s view of threat modeling, but this next one might appeal to folks with a background in software that doesn’t crash – sorry, I jest, i jest! (or do I?) Well in this useful method, we’re all about understanding the flow of data across our systems. We’re talking Data Flow Diagrams (DFDs) used in software engineering and systems analysis.
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As Sun Tzu might advise, “If know the enemy and know yourself, you need not fear the result of a hundred battles.” Let’s focus on “knowing yourself” first. We introduced this as an important step to Threat Hunting in a prior post. All organizations should start by identifying and scoping the environment’s key assets, data types, and security controls (both technical and process related). What are you trying to protect? Why are they important? Who needs or uses those things? Threat Modeling is the proactive process that helps you understand and address security risks before they can be exploited by attackers. This requires an understanding of both the environment to be protected and the way threats might overcome those defenses.
Continue readingAll of us encounter the use (and misuse) of terms like threat hunting, threat modeling, threat intelligence, and threat picture.
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