While the continued growth of the Internet has opened unprecedented possibilities for users, it has been accompanied by an upsurge in data breaches and cyberattacks that continue to threaten ordinary individuals as well as banks, businesses, and international relations. As we explore the still-uncharted frontiers of the web, the demand for professionals who can develop software, monitor electronic data, test systems for vulnerabilities, and more has skyrocketed. This volume guides readers past the firewalls and shows them what it takes to become an entry-level worker and how to climb the ladder to become a specialist in the ever-expanding field of cybersecurity.