Integrated Security Technologies and Solutions - Volume I: Cisco Security Solutions for Advanced Threat Protection with Next Generation Firewall, Intrusion Prevention, AMP, and Content Security, First edition

Chapter 1

Let’s Talk About Network Security

LO. These were the first two—and only—characters transferred between University of California, Los Angeles (UCLA) and Stanford Research Institute (SRI) when the very first ARPANET link was established between these two locations in 1969. It was an attempt to send the LOGIN command, but the system crashed. Who would have guessed that this was the birth of one of the most important tools of modern times: the Internet? Nevertheless, ARPANET continued to evolve and grow into an international network. By early 1990, especially with the invention of the World Wide Web (WWW) by Tim Berners-Lee, the Internet became an integral part of our lives. Initially ARPANET and then the Internet were designed to be ...