Computer Security

Until this time, millions of people use the computers either at home, school, workplace, or even in casual places, by using a computer-based personal computer-based, network, or the Internet. Information technology and growing has many advantages in human life, yet behind it is also a lot of negative aspects of the case such as computer crime, which includes theft, fraud, extortion, and many others. For the security of computer and information systems used to be guaranteed.

EMERGENCE OF COMPUTER CRIME
Causes of Increased Computer Crime

• Business applications that use information technology and computer networks has increased
• Server decentralized and distributed system cause many to be handled by professional people.
• The transition from single-to multi-vendor vendor so it needs a lot of adjustments.
• Increased capability in the field of computer user that started many users who try to play and membokar system uses.
• Easily obtained software to attack computers and computer networks.
• The difficulty of law enforcement to pursue the advancement of computer and telekominkasi very quickly.
• The occurrence of a security hole that caused program errors (bugs) More and more companies are connecting information systems with a global computer network such as the Internet.

Factors such as the above is the main cause that makes computer crime increasingly prevalent. In addition, the influence of other computer crimes can be also be caused by the service providers such as Internet Service Providers (ISPs) and telecommunications services company failed to give attention to computer security.

Aspects of Computer Security is a form of judgment that declares a computer can be declared safe.
Some aspects of computer security includes such things as the following:

• The authentication information so that the recipient can verify the authenticity of the messages came from people who asked for information
• Integrity is the authenticity of messages sent through the network sebauh and it is certain that the information sent is not modified by unauthorized people.
• Nonrepudiation that it is concerned with the sender
• Authority is the information that resides on a network system can not domodifikasi by parties who are not entitled to such access.
• Confidentiality is the effort to keep the information from unauthorized access
• Privacy is more towards the data are private
• Availability the availability aspects related to the availability of information when needed
• Access Control This aspect deals with how to control access to information....