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Examples for Integrity, Availability and Confidentiality

  1.    Integrity -  
    As examples for integrity, We can take ATM machines and our VISA cards. There should be integrity in ATM related transactions, so that we could use banking system more trustworthy. As for a example, Say that We use our VISA card for check our account balance, we check from one  ATM and it shows some amount. After we use another ATM to check balance, if it show another amount, There is a lost of integrity. 

    High integrity            - ATM machines, On-line Banking services
    Moderate integrity    -    
    2. Availability -  
    Availability is accessing data, right time and right people. let's take a system that controls national security the authorized people should always have access, therefore there is no Availability. If an an attacker attacks and blocks availability, Then there is a national security issue.  That count as High availability . If we consider a university website that have access to student records, examination results and donors and donations. Loss of such site is not very harmful, but can cause some inconvenience to users of the site and university. 

    High availability           -  national security systems, banking services
    Moderate availability   - School Webs, Social networks 
    Low availability             - On-line directories,  

    3. Confidentiality -
    When we talk about confidentiality of information, we are talking about protecting the information from disclosure to unauthorized parties.
    Information has value, especially in today’s world. Bank account statements, personal information, credit card numbers, trade secrets, government documents. Every one has information they wish to keep a secret. Protecting such information is a very major part of information security. When we do on-line shopping, we had to use  our very confidential info such as credit card numbers. if there is not an confidential, We wouldn't use on line banking and shopping. 
            

     
     
Location: Jaffna, Sri Lanka

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