Egovernment and security introduction Egovernment security is a

E-government and security

introduction • E-government security is a key problem to restrict the construction and development of E-government systems in any country over the world. E-Government security models are widely used in the implementation and development of e- government systems. Due to the deference situation of the countries over the world there are various security models applied in each country.

IT Security • IT Security is the process of implementing measures and systems designed to securely protect and safeguard information (business and personal data, voice conversations, still images, motion pictures, multimedia presentations, including those not yet conceived) utilizing various forms of technology developed to create, store, use and exchange such information against any unauthorized access, misuse, malfunction, modification, destruction, or improper disclosure, thereby preserving the value, confidentiality, integrity, availability, intended use and its ability to perform their permitted critical functions.

Information security • Information security means protecting information and information systems from unauthorized access, use, disclosure, disruption, modification, or destruction. The terms information security, computer security and information assurance are frequently used interchangeably. These fields are interrelated and share the common goals of protecting the confidentiality, integrity and availability of information; however, there are some subtle differences between them. These differences lie primarily in the approach to the subject, the methodologies used, and the areas of concentration. Information security is concerned with the confidentiality, integrity and availability of data regardless of the form the data may take: electronic, print, or other forms.

Computer security • Computer Security is concerned with the risks related to computer use, and ensures the availability, integrity and confidentiality of information managed by the computer system, permitting authorized users to carry out legitimate and useful tasks within a secure computing environment.

Network security • Network Security is the process of taking physical and software preventative measures to protect the underlying networking infrastructure from unauthorized access, misuse, malfunction, modification, destruction, or improper disclosure, thereby creating a secure platform for computers, users and programs to perform their permitted critical functions within a secure environment.

Internet security • Internet security is a branch of computer security specifically related to not only the Internet, often involving browser security, but also network security on as it applies to other applications or operating systems as a whole. Its objective is to establish rules and measures to use against attacks over the Internet. [1] The Internet represents an insecure channel for exchanging information which leads to a high risk of intrusion or fraud, such as phishing, online viruses, trojans, worms and more.