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A Brief Introduction to Information Security Engineering

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Engineering Information Security is a new field of study that deals with security in the world of information technology . It has to do with the analysis of vulnerability, risk , threat and protection of the integrity of the following functional logic (software) of a computer system and the data contained in or traded in communication with a user . This protection is provided by the organizational and technology to ensure that only authorized users have access to the database of organizational measures . This is achieved mainly through an authentication process that verifies the identification information of individuals before giving them access to the data.

Information security has become a major concern in most industries, especially those that are heavily dependent on information technology . The IT and ITeS industry has over the years , hiring engineers information security which helps ensure their basic transfer of data and information between the centers began. These professionals work in large multinational companies and help them improve their security settings . Database security depends on several factors interfering between the users and the system , such as the robustness of the software and the basic application , etc safety engineers use many information tools to ensure maximum safety data.

They must create safety programs that can help different businesses in protecting their database and information flows . The basic concepts of information security are:

Security - Ensure that the database of an organization, with the software and the application used by the organization, is safe and secure ;

Reliability - to ensure that data is reliable in preventing events that can cause serious damage to the database.

If there is a problem with the software used in any organization, if there is a security breach , which can lead to the following possible effects (in ascending order):

ineffective
negligible risk
significant risk
high risk
Disaster risk
For this reason , engineers and security experts to take the necessary measures to prevent any loss or damage caused by a software failure or breach of security .

Top defense techniques used by information security engineers

Virus : A virus is a program that protects computers against malware attacks known as viruses. A good antivirus should be constantly updated continuously operating analysis in real time. Security experts an organization regularly use software to scan floppy drives, CD, DVD , and the presence of viruses, worms , malware, etc. To prevent the spread of the virus, the virus also checks all files received or sent by e -mail to ensure that they are safe.

Anti -Spyware is software that is very effective in removing "spyware" or spyware that can steal information about the online activities of the user and sends it to an organization that will use them for profit. An anti -spyware application can go a long way in protecting the intellectual property of an organization.

Firewall: A firewall protects an organization against computer attacks from hackers and blocks any network program on computers that try to access the Internet without permission. A firewall is installed and configured correctly compile the system provides access control by monitoring all traffic passing through it.

Encryption Digital Signature: safety engineers information to protect confidential documents and information from unauthorized access through the use of specific security mechanisms such as encryption , digital signature and the use of digital certificates and cryptographic algorithms to identify the certification authority that is , a site, a person or software .

Backup: security experts to create backups of the database of the company, as it helps to recover lost or damaged files. In any organization, create backups of the database is very important because if the organization has lost important data , you might even have to deal with customer demand . Also have difficulty performing operations from day to day .

Honeypot : A honeypot is a system or a piece of hardware or software used to "trap" or "bait" to protect against hacker attacks . Usually consists of a computer or a site that seems to be part of the network and contain valuable information , but it is actually quite isolated and has no critical or sensitive content. It could also be a file, a folder or an unused IP address.

The causes of data loss

The probable causes of data loss can be in several computer systems, but generally fall into two events: adverse events and accidental events .

adverse effects

Between the two events mentioned above, are mostly unwanted unexpected, but it is prudent to wait for anything . You should also have called the unauthorized users to steal valuable data attacks. Adverse reactions are often caused by unauthorized users who attempt to access equipment and different systems without the necessary permits authorities .

hacker attacks

Pirate attacks are controlled by hackers through the Internet , using special software , sometimes created by them, but I pass through the hacking system to take complete control of the machine to manage resources and data without proper authorization . Often steal vital information and then use it for their own benefit , causing damage to the company that has been hacked .

The system access by unauthorized users

This type of attack is substantially similar to the previous one, but has a different shape . This attack involves systems and unauthorized usage data , but unlike an attack by a hacker this time, the system itself is used for attack and not the network.

effects

Piracy and unauthorized use of enterprise information can cause a lot of losses for the company . In case of loss of critical data , customers can always sue the company for the large amount of money and may even take legal action . The company may also have difficulty in carrying out their professional responsibilities.

accidental events

Accidents do not refer to an attack by a third party , but they refer to events caused accidentally by employees of the organization, such as the installation of incompatible hardware parts , unexpected failures , etc. However, all these events the system security compromise.

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