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Remote access for employees and connection to the internet may improve communication in ways youve hardly imagined. Computer security basically is the protection of computer systems and information from harm, theft, and unauthorized use. Attack in the context of computer network security, an attack is an attempt to access resources on a computer or a network without authorization, or to bypass security measures that are in place. It covers need of security, types of security, attack sources, network attack types, layered security and mitigation methods, network security algorithms etc. In this free tutorial, we teach you about network security and how it all works. In this volume, we take a detailed look at network security. Security is a continuous process of protecting an object from unauthorized access. Symantec, a maker of security software, reported in 2008 that new malware released each year may outnumber new legitimate software. Download free networking courses and tutorials training in pdf lan, wan, router, switcher,the internet, intranet, would you like to learn how computer networks work.
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Intt o to co pute a d et o secu tyro to computer and network security some challenging fun projects learn about attacks learn about preventing attacks lectures on related topics aliti d ti t itapplication and operating system security web security networksecuritynetwork security some overlap with cs241, web security. The network security is a level of protection wich guarantee that all the machines on the network are working optimally and the users machines only possess the rights that were granted to them it could be. Director network operations and services, nsu 101720 todays discussion. In this tutorial you will learn about types of computer networks, osi model, different layers of the osi model, various transmission medium etc.
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