Security
Security of distributed database is same as centralized database. There are mainly three objectives:1) Secrecy: Information should not be disclosed to unauthorized users.
2) Integrity: Only authorized users should be allowed to modify data.
3) Availability: Authorization users should not be denied access.
Other Factors for Security
1) Unlawful access to data in computer.
2) Damaging data in computer.
3) Unauthorized access to computer and computer material.
4) Data spying.
5) Alternation of data.
6) Destruction avoid of public document.
7) False entry in an authentic deed.
8) False entry in password.
