This document discusses the evolution of cybersecurity threats facing the US government and private sector over time. It outlines major cyber attacks from 2005-2015 that compromised private information. It then discusses the US government's response in coordinating agencies and legislative efforts to address cybersecurity. The document analyzes cybersecurity spending by various government agencies and forecasts the potential impact on federally leased real estate, including increased demand and spending driven by growth in the cybersecurity market.