منابع مشابه
Integrating Multilevel Security Policies in Multilevel Federated Database Systems
Federated database systems solve the problem of sharing information among independent entities. When building and operating such a federated database system, it is necessary to protect data. Because of heterogeneities among security systems of component databases an integration of them is essential, taking into account new security features of the federation itself. This paper describes a multi...
متن کاملMultilevel Policy Based Security in Distributed Database
Addressing security demands under fixed budgets and deadline constraints are becoming extremely challenging, time consuming and resource intensive. Moreover, securing the distributed database in compliance with several security guidelines makes the system more complex. Mission critical systems, military, government and financial institutions have been under tremendous pressure to secure their d...
متن کاملA multilevel security model for object-oriented database systems
ing superclasses Objects in an object-oriented database have various relationships which have been discussed. If the designer is aware of these relationships during the design phase, many of these relationships can be exploited. For example, STUDENT is related to PERSON in that all students are people, so the commonalities between the two are extracted and placed in the class PERSON. The subcla...
متن کاملMultilevel security issues in distributed database management systems
T he advent of computers earlier this century has led us not only to rely increasingly on the information stored in them but also to trust their output. This alliance with the computer has resulted in the automation of basic operations and management support functions. This was done through the manipulation of computerized information maintained in a database. Although the creation and manipula...
متن کاملMultilevel Database Security: No All-In-One Solution
Databases are characterized as collections of data with sets of rules, that stipulate established relationships among the data. Many databases are organized around tables, comprised of rows and columns. Essentially, databases are software repositories, arranged so that users can update, add or remove data, at will. And just like any other computer system, databases have security requirements, a...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: IEEE Transactions on Software Engineering
سال: 1987
ISSN: 0098-5589
DOI: 10.1109/tse.1987.232889