Unauthorized Access to Computer System and Service is a crime committed by entering / breaking into a computer network system illegally, without permission or without the knowledge of the owner of the computer network system into. Usually criminals ( hackers ) do so with the intention of sabotage or theft of important and confidential information . However, some are doing it just because they feel challenged to try his skills to penetrate a system that has a high degree of protection . Crime is increasingly prevalent with the development of Internet / intranet .
Case in Unauthorized Access :
When the East Timor issue raged discussed at the international level , several websites belonging to the government of Indonesia defaced by hackers ( Kompas , 08/11/1999 ) . Some time ago , hackers have also successfully penetrated into the data base contains data service users of America Online ( AOL ) , a U.S. corporation engaged in commerce that have a high degree of confidentiality ( Indonesian Observer , 26/06/2000 ) . Site of the Federal Bureau of Investigation ( FBI ) was not immune from attack by hackers , resulting in malfunction of this site for some time ( http://www.fbi.org ) .
How to prevent crimes Unauthorized Access :
To maintain the security of information systems sought to restrict the right of access through access control and security are layered . How to restrict access rights including by :
- Restricting the domain or by IP that can be accessed
- Using the userid and password pair
- Encrypt the data so it can only be opened ( dideskirpsi ) by a person who has a key opening .
- Mekasinsme for access control is dependent on the program being used as a server . so you should use linux serbver make it more secure .
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