Network defenders have avoided quantitative risk assessments in the past because they are too hard: the math is complex and too many variables exist. What if we could use simple math tricks to reduce our uncertainty about ranges of possibilities and that would be enough to help us make risk decisions? Come find out how.Learning Objectives:1: Understand how to do high-precision risk assessments.2: Understand simple math tricks for risk assessments.3: Work through a real-world risk assessment.Please Note: This session will participate in live polling via the RSA Conference 2018 Mobile App. In order to have the best experience, please download the RSA Conference 2018 Mobile App before the session begins.