.03 RG Vocab network security Flashcards
Endpoint devices
Where messages on a network originated from and are received
Server
Devices that transfer messages over the network and facilitate communication
between end devices
Network
A group of devices connected to allow the sharing of data and resources
Packet
Pieces of information (data) sent across a network
Protocol
Predefined sets of rules describing how something should work or behave
Local Area Network (LAN)
A type of network infrastructure which connects users and end
devices located in a small geographical area
Metropolitan Area Network (MAN)
A type of network infrastructure that spans across a city
or a metropolitan area
Wide Area Network (WAN)
A collection of LANs spread over a large geographical area
Personal Area Network (PAN)
A small network of two personal devices using wireless
technology
Wireless Local Area Network (WLAN)
A network of connected wireless devices that
transmits data using radio transmission
ARP Poisoning
An attack that compromises the address resolution process of a local
machine
Denial-of-Service (DoS)
An attack that causes a service to fail by flooding the target with
traffic or sending information that triggers a service crash
Distributed DoS
A DoS attack that is distributed among multiple sources to create a more
considerable amount of traffic
Data in transit
Data moving from one location to another
Data at rest
Data that is being stored or archived
Data in use
Data that is being actively processed.
Segmentation
Dividing networks into multiple segments or zones
Segregation
The process of isolating parts of a network from each other
Firewall
A hardware or software entity designed to protect one network from another
Rogue Access Point
An unauthorized access point connected to a network
Evil Twin Attack
Impersonating an access point, getting users to connect to it, and
potentially stealing data
