Security Topic #1: CIA Triad
Security: Introduction to CIA Triad
What do you do to secure a network? In this article, we are
going to talk about CIA Triad. When you implement a security solution, you
achieve one of the goals out of three security pillars – Confidentiality,
Integrity, and Availability, it is often called the CIA triad.
When a cybersecurity attack hits your network, it violates one
of the planes of CIA triads. So, anyone who wants to make a career in the cybersecurity
field needs to understand these basic principles. A good grasp of these helps
to ensure that all the security solutions are protecting at least one of these principles.
Let’s start.
Figure 1: CIA Triad
Confidentiality
The prevention of data disclosure to unauthorized users is
called confidentiality. As data or information is the new cash in the digitization
world, enterprises spend a lot to ensure data confidentiality to protect
critical data. Encryption is a popular implementation of Data confidentiality.
Integrity
The protection of unauthorized modification/alteration of data
by unauthorized users is called Data Integrity. Data Integrity ensures that
data is consistent while it is in transit or in-rest. Calculating the Hash
values against data is an implementation of data integrity.
Availability
Providing data or information access to only intended
authorized users is called Data Availability. It ensures data is available to
authorized users only to a level that is required a user to perform his job successfully.
Believe it or not, when attackers impact the availability of
data or information it is called the successful attempt to breach the system. Access
Control Systems are a good example of Data Availability implementation. I hope you find this informative!
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