Network security introduction pdf

Security studies research an ocean networks communication links hardware system software network security hardware security system security cr peripherals operating systems hypervisor applications os security cloud security web security dbms security embedded security cryptography 6. Network security refers to all the activities that are designed and executed to protect your network and the data in it. List the key challenges of information security, and key protection layers. Network security is a term to denote the security aspects attributed to the use of computer networks. Network security involves the authorization of access to data in a network, which is controlled by the network administrator. Security on different layers and attack mitigation.

Pdf writing a basic article on network security is something like writing a brief introduction to flying a commercial airliner. 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. Thus, network security is a term that refers to both the hardware technologies and the software technologies that are employed to ensure the security of your network and data. Define key terms and critical concepts of information security. Network security consists of the policies and practices adopted to prevent and monitor unauthorized access, misuse, modification, or denial of a computer network and networkaccessible resources. Download a free network security training course material,a pdf file unde 16 pages by matt curtin. Pdf introduction to network security, attacks and services.

Security comes in all shapes and sizes, ranging from problems with software on a computer, to the integrity of. Learning objectives upon completion of this material, you should be able to. Secure network has now become a need of any organization. It describes the functioning of most common security protocols employed at different networking layers right from application to data link layer. Be able to differentiate between threats and attacks to information. The security threats are increasing day by day and making high speed wiredwireless network and internet services, insecure and unreliable. The advantage of networking can be seen clearly in terms of security, efficiency, manageability and cost effectiveness as it.