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ConfidentialityConfidentiality of information ensures that only those with sufficient privileges may access specific information. When unauthorized individuals can access information, confidentiality can be breached. To protect the confidentiality of information, several measures are used:•Information classification•Secure document storage•Application of the general security policies•Education of information custodians and end usersIntegrityIntegrity is quality or state of being complete, and uncorrupted. The integrity of information can be threatened when it is exposed to damage, destruction, corruption, or other disruption of its authentic state. Corruption can occur when information is being compiled, stored, or is getting transmitted.AvailabilityAvailability is the characteristic of information which enables user access to the information without interference/obstruction and in a required format. A user in this definition may be person or another computer system. Availability does not imply that information is accessible to any user; instead, it means availability to authorized users.PrivacyThe information which is collected, and stored by an organization is to be used only for the purposes stated to data owner at the time it was collected. This definition of privacy focuses on freedom from observation, but instead it means that information will be used only in ways known to the person offering it.IdentificationAn information system possesses characteristic of identification when it is able to recognize the individual users. Identification and authentication are necessary to establishing the level of access or authorization which an individual is granted.AuthenticationAuthentication takes place when a control provides proof that a user possesses the identity which he or she claims.AuthorizationAfter identity of a user is authenticated, the process of it is called as authorization provides assurance that the user (whether the person or the computer) has been specifically and authorized explicitly by the proper authority to access, update, or delete contents of an information asset.AccountabilityThe characteristic of accountability exists when the control provides assurance that every activity which is undertaken is attributed to the named person or automated process. For instance, audit logs the track user activity on information system gives accountability.
COMPONENTS OF AN INFORMATION SYSTEM The components of an information system are software, data, hardware, people, procedures and Networks. These 6 components are critical to ena
QUESTION : a) A datagram of 3000 bytes has to travel over a network with a MTU size of 1000 bytes. Describe how fragmentation can be used to solve this problem. You should pr
Consider the following case study: In order to avoid criticisms of their existing manned road-toll payment system on its private road, WS-Pass has decided to adopt an automated
Confidentiality Confidentiality of information ensures that only those with sufficient privileges may access specific information. When unauthorized individuals can access inform
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Secure a Wireless Network WIRELES Most online retailers provide some type of privacy statement. Many statements are long, and appear in small print, and many appear to be simi
Advantages and Disadvantage of Packet Filtering firewall Advantages One screening router can help protect entire network One key advantage of packet filter
QUESTION (a) Discuss why it is considered more secure to use the SET (Secure Electronic Transaction) for e-commerce instead of using SSL (b) Describe how the dual signature
Question: a) Explain what the following intermediate systems are and how they work? i. Repeater ii. Bridge b) A service is formally specified by a set of primitives (op
"Using the CNSS Model, examine each of the cells and write a brief statement on how you would address the components respesented in that cell"
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