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Database Security

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IS498 Database Security by IBRAHIM ALRAEE Prince Sultan University

Technology
1 of 29
By Ibrahim AL-Raee Database Security
Outline ,[object Object],[object Object],[object Object],[object Object],[object Object]
Introduction Database Security
What Is Database Security? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Three Main Aspects ,[object Object],[object Object],[object Object]
Secrecy ,[object Object],[object Object],[object Object],[object Object]
Integrity ,[object Object],[object Object],[object Object],[object Object]
Availability ,[object Object],[object Object],[object Object]
Security Problems Database Security
What is a Threat? ,[object Object],[object Object],[object Object],[object Object]
Two Kinds of Threat ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Database Protection Requirements ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Security Controls
Type of Security Controls ,[object Object],[object Object],[object Object]
Flow Control ,[object Object],[object Object],[object Object]
Inference Control ,[object Object],[object Object],[object Object],[object Object]
Main Inference Channels ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Indirect Access Occurs when a user derives unauthorized data (say Y) from an authorized source (say X). GradeReport OR SELECT Name FROM GradeReport WHERE ID=120000348 SELECT Name FROM GradeReport WHERE grade = A B 120000756 Mohammed A 120000636 Ahmed A 120000348 Ibrahim grade ID Name
Correlated Data If visible data X is semantically connected to invisible data Y. Position (visible)-------------> Salary (invisible). 7000 SR Staff Mohammed 7000 SR Staff Ahmed 10000 SR Manager Ibrahim Salary Position Name
Access Control ,[object Object],[object Object],[object Object],[object Object],[object Object]
Access Control (cont.)
Microsoft Access Database Security
Microsoft Access ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Setting Logon Procedures ,[object Object],[object Object],[object Object],4.Select the Change Logon Password tab. In the New Password text box, type password.
Setting Logon Procedures (cont.) 5.In the Verfiy text box, type password. 6.Click OK to accept your new password. 7.Exit Access. 8.Start Access. Try to open MyNewApp.mdb. 9.In the Name text box, type Admin. In the Password text box, type password. 10.Click OK . Now MyNewApp.mdb opens!
Setting a database password ,[object Object],[object Object],- You need to use the Open dialog box. 3.Select MyNewApp.mdb. Click on the arrow next to the Open button. 4.Choose Open Exclusive
Setting a database password (cont.) 5.Choose Tools, Security, Set Database Password 6.In the Password and Verify text boxes, type dbpassword. . 7.Click OK 8.Close the database. 9.Let's test the password to see if it works. Open MyNewApp.mdb. 10.Type dbpassword, and click OK. The database opens.
Conclusion
Conclusion ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

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Database Security

  • 1. By Ibrahim AL-Raee Database Security
  • 2.
  • 4.
  • 5.
  • 6.
  • 7.
  • 8.
  • 10.
  • 11.
  • 12.
  • 14.
  • 15.
  • 16.
  • 17.
  • 18. Indirect Access Occurs when a user derives unauthorized data (say Y) from an authorized source (say X). GradeReport OR SELECT Name FROM GradeReport WHERE ID=120000348 SELECT Name FROM GradeReport WHERE grade = A B 120000756 Mohammed A 120000636 Ahmed A 120000348 Ibrahim grade ID Name
  • 19. Correlated Data If visible data X is semantically connected to invisible data Y. Position (visible)-------------> Salary (invisible). 7000 SR Staff Mohammed 7000 SR Staff Ahmed 10000 SR Manager Ibrahim Salary Position Name
  • 20.
  • 23.
  • 24.
  • 25. Setting Logon Procedures (cont.) 5.In the Verfiy text box, type password. 6.Click OK to accept your new password. 7.Exit Access. 8.Start Access. Try to open MyNewApp.mdb. 9.In the Name text box, type Admin. In the Password text box, type password. 10.Click OK . Now MyNewApp.mdb opens!
  • 26.
  • 27. Setting a database password (cont.) 5.Choose Tools, Security, Set Database Password 6.In the Password and Verify text boxes, type dbpassword. . 7.Click OK 8.Close the database. 9.Let's test the password to see if it works. Open MyNewApp.mdb. 10.Type dbpassword, and click OK. The database opens.
  • 29.