Data Security Using L Diversity

The large amount of data is used in corporate and government institution. The sequence of releases is more identify by adversary. So, the user’s privacy is violated. To avoid this to use privacy protection techniques are applied here. Privacy preserving serial data publishing on dynamic databases has relied on unrealistic assumptions of the nature of dynamic databases. In many applications, some sensitive values changes freely while others never change. For example, in medical applications, the disease attributes changes with time when patients recover from one disease and develop another disease.