katatonia82 / Shutterstock The Internet was built on university campuses. It was built by academics for academics, and without any notion of the new kinds of commerce, crime, and espionage it would enable. As the Internet spread beyond purely academic circles and became a valuable tool for corporations and governments, as well as a target for criminals and terrorists, a vast—and growing—security industry sprang up to develop new controls and defenses that would protect us against threats.