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Computer Networks - Security - Coggle Diagram
Computer Networks - Security
Authentication
Something you
know
Pin
Secret answer to a question
Password
Something you
have
Biometrics
Swipe card
Something you
are
Username
Bank account
Encryption
The process of describing a message with a key so that only authorised people can read it.
Firewalls
A type of software that blocks
unexpected
connections coming in or out of a network
Most operating systems contain a firewall
Firewalls can also be hardware devices that sit alongside the router
MAC address filtering
A MAC address is a physical address embedded within the network adapter
One can
whitelist
MAC address's which are allowed or
blacklist
ones that aren't
