Network Security
According to The American Society for Industrial Security it is estimated that high tech crimes are costing American companies as much as 70 billion a year, companies pay millions to hackers each year to keep quiet about their success. Other research has shown that the cost of an effective network security plan for an enterprise with a 50 workstation LAN and website could run as high as $100,000. ... There’s no doubt network security is one of the top priorities of network administrators today. Security is about managing risk, risk can never be completely removed, it must be managed. Network security is a process, and no one product will provide total security for an organization. ... Physical security Viruses enter organizations through three primary ways. ... Hackers possess a keen knowledge of the inner workings of Internet protocols and appear to be driven to find that obscure security flaw or inherent weakness to exploit to gain illegal access into places where they are not allowed. ... TELLTALE SIGNS THAT YOU’RE NETWORK HAS BEEN HACKED 1. ... When examining the network, begin with a network diagram and examine each point of connectivity. Policy is also very important to an organization and may be the most important job that the Information Security department of an organization can complete. ... It defines how security should be within an organization 2. ... Policy defines how security should be implemented. This includes the proper configuration on computer systems and networks as well as physical security measures. ... When a security incident occurs or systems fail, the organizations policies and procedures define what is to be done and what the goals of the organization are during the incident. The primary responsibility for the implementation of this policy falls on the system and network administrators and should be reviewed and updated on a regular basis. The process of information security is a continual process comprised of five key phases 1. ... Only when taken together will they provide the foundation upon which an organization can effectively manage the risk of an information security incident. Network administrators must be kept up to date on the latest hacker techniques, security threats and security patches. Two excellent Web sites that convey comprehensive sources of information on hacker and security issues are the Java Security and ICSA (The International Computer Security Association) Web sites.