Database Security Issues: A Review

Database security such as confidentiality, integrity, and availability of data/information stored in a database is one of the most crucial and major challenges in the world of Information and Communication Technology. Inaccuracy/Loss of data stored in a database in some cases may be regarded as a loss of human life. That is to say that, database may provide false information that could render the entire organization hopeless if not well protected, and so techniques that protects database from attackers, and any kind of corruption should be carefully implemented and should be given a higher priority. The major factors to consider in database security issues include how to prevent unauthorized access to data, how to prevent unauthorized manipulation of data, as well as how to insure the availability of data when needed. This paper aims at reviewing various database security issues such as data confidentiality requirements, data integrity requirements, and data availability requirements.