VPN Virtual Private Network Essay Example | Topics and Well Written Essays - 1500 words

VPN Virtual Private Network - canvas Exampleiddle, replay attacks, brute force, password guessers and dictionary attacks, and social attacks (Fortenberry, 2001). Thus, more effective ways of combating the threats specially in terms of access to the network are extremely important in order to circumscribe that those who access an information systems infrastructure are authorized and recognized by the system. One of the technologies available in protecting the information systems environment is via the deployment of a virtual(prenominal) toffee-nosed network or VPN.A virtual snobby network (VPN) is a private communications network often used by companies or organizations, to communicate confidentially over a public network. VPN traffic can be carried over a public networking infrastructure (e.g. the Internet) on top of standard protocols, or over a service providers private network with a defined Service Level Agreement (SLA) between the VPN customer and the VPN service provider. A VPN can send data e.g. voice, data or video, or a combination of these media, across secured and encrypted private channels between two points. (Wikipedia, 2007) The encryption methodology in VPN is an end-to-end system whereby the process of fetching all the data that one computer is sending to another and encoding it into a form that exactly the other computer will be able to decode. Most computer encryption systems belong in one of two categories Symmetric-key encryption and Public-key encryption. A well-designed VPN can greatly benefit a company byAside from a well-designed VPN, the advantages of implementing and deploying a VPN in an enterprise means cost savings because organizations no prolonged have to use expensive leased or frame relay lines and are able to relate remote users to their corporate networks via a local ISP instead of via expensive 800-number or long distance calls to resource-consuming modem banks. The certificate provided by VPNs is the highest level o f security using advanced encryption and authentication