meaning of data privacy
Data privacy means that data or information belonging to an individual should not be accessed by or disclosed to other people. Its an individual's right to determine for themselves what should be communicated to others.
meaning of data security
Data security is the confidentiality, integrity and availability of data.
Confidentiality of data implies that sensitive data or information belonging to an organization or government should not be accessed by or disclosed to unauthorized people, such data includes office documents, chemical formula, employee's details, examinations etc.
Integrity of data implies that data should not be modified without owner's permission.
Availability of data implies that information must be available on demand.
DISSIMILARITY between data privacy and data security