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Explain the need for system integrity, control and security with suitable examples

Mumbai University > Computer Engineering > Sem 5 > SOOAD

Marks: 10M

Year: Dec 2014

1 Answer
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Need for system integrity

  • System integrity begins with selecting and deploying the right hardware and software components to authenticate a user’s identity—and help prevent others from assuming it. In doing so, it needs to offer efficient administrative functions to restrict access to administrator-level functions, and give administrators processes and controls to manage changes to the system.
  • There are many individual components to system integrity, such as vulnerability assessment, antivirus, and anti-malware solutions. However, the ultimate goal from an access control standpoint is to prevent the installation and execution of malicious code—while protecting valuable data—from the outset.

Need for system control

  • System Control manages and controls the overall Systems Engineering Process. This activity identifies the work to be performed and develops the schedules and costs estimates for the effort.
  • It coordinates all activities and assures that all are operating from the same set of requirements, agreements and design iteration. It’s the center for configuration management throughout the systems engineering process.
  • System Analysis and Control interacts with all the other activities of the Systems Engineering Process. It evaluates the outputs of the other activities and conducts independent studies to determine which of the alternate approaches is best suited to the application.
  • It determines when results of one activity require the action of another activity and directs the action to be performed. The initial analyses performed in this activity are the basis for the Systems Engineering Plan (SEP) and the systems engineering entries in the Integrated Master Plan (IMP) which define the overall systems engineering effort. From the SEP and IMP, the Integrated Master Schedule (IMS) is developed to relate the IMP events and SEP processes to calendar dates.

Need for System Security:

  • System security is a process to protect the system from damage, error and unauthorized access. The level of protection depends upon the sensitivity of data, the reliability of the user and the complexity of the system. A well designed system includes control procedures to provide physical protection, maintenance, data integrity and restrict system access.
  • The system security includes for related issues –

    • System integrity:
      • It refers to proper functioning of hardware and programs, safety against external threats such as eavesdropping The data integrity makes sure that data do not differ from its original form and have not been accidently or intentionally disclosed, altered or destroyed.
    • System security: -It refers to the protection of data from loss, disclosure, modification and destruction.
    • Privacy: -It defines the rights of the user or organisation to determine what information, we want to show or accept from other and how organisation can be protected against unfair or excessive dissemination of information.
    • Confidentiality: -It is a special status given to the sensitive information in the database for privacy.

Threats to the system security:

  1. Errors and omissions
  2. Fire
  3. Natural disaster
  4. External attack
  5. Disgruntled and dishonest employees
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