tailieunhanh - A Beginner’s Guide to Network Security: An Introduction to the Key Security Issues for the E-Business Economy

Based on the charge given to this Task Force, we are recommending a general framework to use in dealing with the four areas we were assigned. Our hope is that this framework can help guide House action for the remainder of this Congress and beyond. In each of the four areas, we have offered recommendations for the near term that can reasonably be acted upon during this Congress. We have also listed other issues that could be considered or at least advanced. At a minimum, committees should hold hearings on these other issues as they are often. | Cisco Systems A Beginner s Guide to Network Security An Introduction to the Key Security Issues for the E-Business Economy With the explosion of the public Internet and e-commerce private computers and computer networks if not adequately secured are increasingly vulnerable to damaging attacks. Hackers viruses vindictive employees and even human error all represent clear and present dangers to networks. And all computer users from the most casual Internet surfers to large enterprises could be affected by network security breaches. However security breaches can often be easily prevented. How This guide provides you with a general overview of the most common network security threats and the steps you and your organization can take to protect yourselves from threats and ensure that the data traveling across your networks is safe. Cisco Systems Copyright 2001 Cisco Systems Inc. All Rights Reserved. Page 1 of 9 Importance of Security The Internet has undoubtedly become the largest public data network enabling and facilitating both personal and business communications worldwide. The volume of traffic moving over the Internet as well as corporate networks is expanding exponentially every day. More and more communication is taking place via e-mail mobile workers telecommuters and branch offices are using the Internet to remotely connect to their corporate networks and commercial transactions completed over the Internet via the World Wide Web now account for large portions of corporate revenue. While the Internet has transformed and greatly improved the way we do business this vast network and its associated technologies have opened the door to an increasing number of security threats from which corporations must protect themselves. Although network attacks are presumably more serious when they are inflicted upon businesses that store sensitive data such as personal medical or financial records the consequences of attacks on any entity range from mildly inconvenient to .