U.S. Army Cyber Institute:
Are Your CyberAssumption Correct? 

The speed of change in cybersecurity moves organizations out of their comfort zones. This forces faulty decision-making generated by dependence on untested assumptions. The counterbalance to this behavior begins by recognizing that within every decision lies an assumption. Equipping your team with the mechanisms to identify and properly challenge these assumptions drives better decision-making and fresh thinking to successfully defend, attack, and adapt in the cyber battleground