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Network security policies describes an organization’s security controls. It aims to keep malicious users out while also mitigating risky users within your organization. The initial stage to generate a policy is to understand what information and services are available, and to whom, what the potential is for damage, and what protections are already in place. The security policy should define the policies that will be enforced – this is done by dictating a hierarchy of access permissions – granting users access to only what they need to do their work. These policies need to be implemented in your organization written security policies and also in your IT infrastructure – your firewall and network controls’ security policies. Why are security policies important? Security policies are important because they protect an organizations' assets, both physical and digital. They identify all company assets and all threats to those assets. Physical security policies are aimed at protecting a ...

  The World Wide Web (WWW) is a network of online content that is formatted in HTML and accessed via HTTP. The term refers to all the interlinked HTML pages that can be accessed over the Internet. The World Wide Web was originally designed in 1991 by Tim Berners-Lee while he was a contractor at CERN. The World Wide Web is what most people think of as the Internet. It is all the Web pages, pictures, videos and other online content that can be accessed via a Web browser. The Internet, in contrast, is the underlying network connection that allows us to send email and access the World Wide Web. WWW Architecture WWW architecture is divided into several layers as shown in the following diagram: Identifiers and Character Set Uniform Resource Identifier (URI)  is used to uniquely identify resources on the web and  UNICODE  makes it possible to built web pages that can be read and write in human languages. Syntax XML (Extensible Markup Language)  helps to define common s...