Csc652 Unit 2 Network Security

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Recommended: The importance of confidentiality and data protection

NAME: SREEDIVYA CHINTALAPATI
ZID: Z1728667
COURSE: CSCI652

Introduction
1) A secure network must be secure and protected against malicious attacks and should have accurate response time, high accessibility, scalability, integrity, reliability, and provide appropriate billing information.
2) Security capabilities in various products or service are highly crucial to the overall network security.
3) Security must not only be a concern for every product or service, but must be developed in such a manner that promotes the linking of security capabilities in the overall security solution.
In order to achieve all of the above in a multi-vendor environment, network security must be designed according to a standard security architecture. We will learn about …show more content…

3) The intersection of each security layer with each security plane represents a security perspective where security dimensions are applied to counter the threats.
Comparing X.805 security architecture with X.800 security architecture in a tabular format:

X.805 X.800
1) Only authorised person or devices are allowed access data that is transiting a network element or a communication link. 1) Limited & controlled access is provided to network elements, services & applications
2) Examples: password, ACL, firewall
1) Provide a record identifying each device that accessed data and that the action was performed.
2) The record is used as proof of access to data. 1) Prevent the ability to deny that an action on the network occurred.
2) Examples: system logs, digital signatures
1) Protect data against unauthorised access or viewing.
2) Techniques that are used to address access control may provide data confidentiality. 1) Ensure confidentiality of data
2) Example: encryption
1) Protect data that is transiting a network against unauthorised change, deletion, creation and replication. 1) Ensure same data is received or sent or retrieved as

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