There are several approaches to security in computing, sometimes a combination of approaches is valid. One use of the term computer security refers to technology to implement a secure operating system. Much of this technology is based on science developed in the 1980s and used to produce what may be some of the most impenetrable operating systems ever.

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Hello

The first key : Everyone today is familiar with using computers, and they tend to be more and more important for us at work and at home as well, and many of us are using them lots of hours per day. But we should not take the fact that they do actually work, for granted. It is better to consider that the fact that they do work is pretty much a victory of lots of people involved in computer security, in the tough neverending battle against all damaging factors, like hackers, virus attacks and similar dangers aimed at rendering your computer unusable.
The second key: Second element in important computer security key element is data integrity. Computers are all about information - therefore the value resides in the information they can hold. If this information is deleted, corrupted or altered, the value of the information goes down to zero.
Thanks !

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