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             A framework for cybersecurity information sharing and risk reduction. A high level overview paper by Microsoft.
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+            <a href="http://rvasec.com/slides/2014/Bianco_Pyramid%20of%20Pain.pdf" target="_blank">Pyramid of Pain</a>
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+            The Pyramid of Pain is a graphical way to express the difficulty of obtaining different levels of indicators and the amount of resources adversaries have to expend when obtained by defenders. 
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             <a href="http://www.amazon.com/Structured-Analytic-Techniques-Intelligence-Analysis/dp/1452241511" target="_blank">Structured Analytic Techniques For Intelligence Analysis</a>