Cyber data security

 

 Cyber data security

Data security is protection of data in database system against unauthorised access , modification, failure, missing and destruction. There are following types of data security control methods , they are:

1. Authentication:

Authentication is a method of allowing user to access database by Database Administrator.

It contains rules and protocols. For eg:- Login System for logging in users.

2. Authorisation:

It is a set of rules and limitations made by DBA for stopping the user from misusing power of database which has also many rules and regulations.

For eg:

A normal user cannot access google database directly.

3.Flow control:

It is done by DBA for regulating the flow of data in database . It is the act of supervising and finding faults in the function of database. For eg : CCTV control 

4.Encryption:

It is a method in which plain text is converted into ASC code by encryption and cipur text is generated and it is decrypted by using cipur text (key) by the receiver and again converted to plain text.It helps in data security.

5. Backup and recovery:

The data should be backed up by DBA for future use and in case of loss of data it shall be recovered. The backup should be done regularly and hould use distributed database system for smooth recovery.