Security information

    Introduction
Computer security is defined as the set of rules , procedures and tools that are intended to ensure the availability, integrity , confidentiality and proper use of the information residing on an information system .
 Every day more and more malicious people try to access data from our computers.
Unauthorized access to a computer network or equipment located therein may result in most serious cases .
One of the possible consequences of an intrusion is the loss of data. It is frequently and causes many disorders , especially if we are to day backups . And while we are on the day it is not always possible to recover all the data.
Another of the most damaging is the theft of sensitive and confidential information . The disclosure that a company has about its customers demands can lead millions against this , or an example closer to you is to our passwords of email accounts for which exchange information with others.
With the constant evolution of computers is essential to know what resources need to obtain security information systems .
In this report we will discuss the importance of information security, we references to the ways that exist to protect computer systems and the information contained on unauthorized access, damage , modification or destruction.