Data is everywhere. We create it every time we go online, turn our phone on (or off) or pay with a credit card. This data is stored, studied, bought and sold by companies and governments for surveillance and for control. "Foremost security expert" ( Wired ) Bruce Schneier shows how this data has led to a double-edged Internet-a Web that gives power to the people but is abused by the institutions on which those people depend. In Data and Goliath , Schneier reveals the full extent of surveillance, censorship and propaganda in society today, examining the risks of cybercrime, cyberterrorism and cyberwar. He shares technological, legal and social