In today’s life, information, knowledge, and
information security play an important role
especially in an organisation. People use
information to make decisions. People use
knowledge to create new knowledge and people use
information security to protect information assets.
Lack of information, knowledge, and information
security will jeopardise the organisation and give a
negative impact to organisational effectiveness. We
know that the origin of information is from data,
and information will produce knowledge. There are
many authors, researchers, and scholars who had
defined data, information and knowledge, and the
relationship between them. In this paper, only the
most cited definitions are included.