4.3 Network Security Flashcards

1
Q

What is the AAA Security Framework?

A

Authentication
- 2 Factor Authentication
- Login Credentials (username/password)

Authorisation
- implement user account controls
- secure databases with a username and password
- limit developers’ access only to required parts of the database

Accounting
- Log all users/admin actions for investigation in case of a data leak.

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2
Q

Explain the 2 purposes of a firewall.

A

A firewall prevents unwanted traffic in a network and blocks unauthorised data packets from entering or leaving the network by checking the metadata of each data packet and filter incoming and outcoming data packets based on a set of user-defined rules.

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3
Q

Describe one limitation of a firewall.

A

A firewall can only filter data packets based on the packets’ metadata hence it is unable to access the contents of the data packet to detect malicious data.

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