Scene 1 (0s)
21CSE485T – Database Security Unit – I : Session – I : SLO - I 1.
Scene 2 (7s)
Introduction to Database Security.
Scene 3 (13s)
Database: What is database security? It is a collection of information stored in a computer. Security: It is being free from danger. Database Security: It is the mechanisms that protect the database against intentional or accidental threats..
Scene 4 (26s)
Definition of Database Security Database Security is defined as the process by which "Confidentiality, Integrity and Availability" of the database can be protected O.
Scene 5 (35s)
Why need of database security? If there is no security to database what happens??? Data will be easily corrupted It is important to restrictaccess to the database from authorized usersto protect sensitive data..
Scene 6 (46s)
1. 2. 3. Concepts of Database Security Three are 3 main aspects Secrecy or Confidentiality Integrity Availability.
Scene 7 (54s)
SECRECY / CONFIDENTIALITY • It is protecting the database from unauthorized users. • Ensures that users are allowed to do the things they are trying to do. • Encryption is a technique or a process by which the data is encoded in such a way that only that authorized users are able to read the data..
Scene 8 (1m 9s)
INTEGRITY • Protecting the database from authorized users. • Ensures that what users are trying to do is correct. •For examples, •An employee should be able to modify his or her own information..
Scene 9 (1m 21s)
AVAILABILITY Database must have not unplanned downtime. To ensure this ,following steps should be taken Restrictthe amount of the storage space given to each user in the database. Limitthe number of concurrentsessionsmade available to each database user. >Backupthe data atperiodicintervalsto ensure data recovery in case of application users..