Sunday, February 07, 2010

Importance of IT security

Information security is all about protecting sensitive data or personal information from unauthorized use, disclosure, access, modification, disruption and destruction. Information assurance, computer security or even information security are different terms but they share same goal. Three important aspects of IT security include confidentiality, Integrity and availability. Confidentiality is unauthorized disclosure of information of system or individuals. For example, while making a credit card transaction on the Internet, transmitting credit card number to merchant for process transaction. In such a case, if the card number is obtained by any how then there is breach of confidentiality. Even someone looking over your shoulder and taking look at your computer screen when confidential data is being displayed on your screen then it is also considered as breach of confidentiality.     

Second aspect of IT security is Integrity which means data cannot be modified without authorization. This is a different concept than referential integrity in databases. For example, employee should not be able to change his salary by himself though he should be able to view it. IT security must protect information throughout its life span from the initial creation until the disposal of information. It should be protected even when it is in motion or when it is in rest. Information can pass through many processes in the life span. Each component which is processing the information must have its own protection method. There can be logical controls, physical controls and even administrative controls. The security layers are like layers of onion. Each level of security requires authentication and authorization of its own.

You will require extra security in fields like finance and law. The security depends on the type of business you are in. The sound business principles in legal ethical manner should be taken care of. You should implement a system that will give company and business information to trading partners, customers and employs and suppliers in secured manner, each one get information which is relevant to him. Though this interconnection offers many benefits but also increase great deal of risk.  

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We at Save My System provide all kinds of IT security services by which you will be able to maintain reliable and stable working environment. It will improve the overall performance of your network. Secure your system from computer virus and Computer Repair related problems. If your system crashes then we will even provide you backup solution and data recovery that will help you to get the information back. IT security is necessary for maintaining privacy of the people.