د.ابوبكرمحمد الهونى2026-11-092026-11-09https://dspace.academy.edu.ly/handle/123456789/2787New threats to networked computers appear almost daily. There are a number of basic threats, which can be categorized based on the goals and purposes of the attacks. Certain threats specifically target the packet while it is in the route. Sniffing is one of these threats that are monitoring the data over network; Spoofing is type of attacks that are fooling the hosts to obtain information by appearing to be a legitimate entity. To prevent the threats and attacks we should identify the risks to the network resources and data. The intent of a risk analysis is to identify the components of the network, evaluate the importance of each component, and then apply an appropriate level of security. This analysis helps to maintain a workable balance between security and required network access.The issue of security in computer network and the Internet has been a major challenge. Hackers and unauthorized users like Sniffers and Spoofers have been compromising user’s information by a way of getting access to such information. It is a well-known fact that information is very vital to individuals and organization these days; hence the need to protect our data and information from unauthorized users.Using secure Cisco network