WHAT IS SECURITY?
Understanding the technical aspects of information security requires that you know the definitions of certain information technology terms and concepts. In general, security is defined as “the quality or state of being secure—to be free from danger.”
Security
is often achieved by means of several strategies usually undertaken
simultaneously or used in combination with one another.
Specialized
areas of security
o
Physical
security, which encompasses strategies to protect people, physical assets, and the workplace from various threats
including fire, unauthorized access, or natural disasters
o
Personal
security, which overlaps with physical security in the protection of the people within the organization
o
Operations
security, which focuses on securing the organization’s ability to carry out its operational activities without
interruption or compromise
o
Communications
security, which encompasses the protection of an organization’s communications
media, technology, and content, and its ability to use these tools to achieve
the organization’s objectives
o
Network
security, which addresses the protection of an organization’s data networking devices, connections, and contents,
and the ability to use that network to accomplish the organization’s data
communication functions
o
Information
security includes the broad areas of information security management, computer and data security, and
network security.
Where it has been used?
ü Governments,
military, financial institutions, hospitals, and private businesses.
ü Protecting
confidential information is a business requirement.
Information
Security components:
ü Confidentiality
ü Integrity
ü Availability(CIA)
CIA Triangle
The
C.I.A. triangle - confidentiality, integrity, and availability - has expanded
into a more comprehensive list of critical characteristics of information. At
the heart of the study of information security is the concept of policy.
Policy, awareness, training, education, and technology are vital concepts for
the protection of information and for keeping information systems from danger.
Related Topics
Privacy Policy, Terms and Conditions, DMCA Policy and Compliant
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