Answer:
<u><em>Definition</em></u>
To protect the internet users and network from cyber attacks is called Cyber security.
In cyber attacks, attackers try to access the information of users, or try to disable or destroy the system.
<u>Principles of Cyber Security:</u>
<u>Confidentiality</u>
Confidentiality of data is an important aspect in network communication. In cyber security principles it is mandatory to protect the confidential information of Client or user from Cyber attacks.
<u>Integrity</u>
The accurate ad correct information should be transmitted from one user to another user. It is also the main rule of cyber security is to maintain the accuracy of information.
<u>Availability</u>
The availability of the user is also an important aspect in the networking. In cyber security, it is also mandatory to check that whether the information is received or sent from relevant users.
<u>Internal Threats</u>
The type of threat that may exist inside the industry or institute is called internal threat.
<u>External Threats</u>
The threat that may exist from outside the department or industry is called external threat.