CS205 MIDTERM PREPRATION #CS205MIDTERM5 MIDTERM PREPRATION #CS205MIDTERM

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 1. Write two characteristics of Information?

2. Write two characteristics of risk? 3. Explain Non-repudiation with examples? 4. Explain Cost Benefit Analysis and write formula? 5. Explain the inside and outside attacks?


1. Information is data that is organized and meaningful, providing knowledge or insight when processed. It can be stored digitally or on physical media. 2. Information can be characterized by its accuracy and timeliness, as it needs to be reliable and up-to-date to be useful. 3. Non-repudiation is the assurance that a party cannot deny the authenticity or origin of a message or action. For example, when someone digitally signs an email, they cannot later claim they didn't send it. 4. Cost-Benefit Analysis (CBA) is a systematic approach to evaluate the potential gains and losses of a decision or project. The formula for CBA is: Net Benefit = (Benefits - Costs), where the net benefit should be positive for the decision to be considered beneficial. 5. Inside attacks involve security breaches initiated by individuals within an organization who have authorized access, like employees or contractors. Outside attacks come from external sources trying to exploit vulnerabilities, such as hackers attempting to breach a company's network from the outside. Both types of attacks can have significant security implications.