Session_5_view - Session 5 Security Measures Design of...

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Session 5 Security Measures
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Design of Logical Database Security Measures Security Software Security Rules More Complex that Simple Access Control Lists Requires its Own Design Methodology Database: a collection of Data Organized and Managed by Specific Software (DBMS)
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Secure DBMS Requires a Set of Mechanisms at BOTH the DBMS and OS level Fundamental Differences in Security between DBMS and OS Object Granularity: OS file, DBMS (relations, rows, columns, fields) Semantic correlations among data ACCESS CONTROLS BASED ON: Object contents, context, and access history
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Fundamental Differences in Security between DBMS and OS (continued) Metadata: describes attributes, domains of attributes, relationships between attributes and location of DB partitions (metadata requires protection) Logical and Physical objects (logical in DBMS physical in OS) Static versus Dynamic (DBMS views created at run time) Multilevel Transactions (DBMS multilevel, files single level)
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Different Degrees of Granularity of access Database, collections of relations, one relations, some columns of one relation, some rows on one relation, some columns or some rows of one relation, some columns or some
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Session_5_view - Session 5 Security Measures Design of...

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