Network Security
Network attacks, segmentation, firewalls, remote access, and traffic monitoring concepts.
a DDoS attack
A flood of traffic intended to make a website, service, or network unavailable.
DNS spoofing
Manipulating name resolution so users are sent to the wrong online destination.
a firewall
A control that allows or blocks network traffic between devices, networks, and the internet.
a man-in-the-middle attack
When an attacker secretly places themselves between two parties to observe or alter communication.
network segmentation
Separating systems into network zones to reduce spread and limit access.
port scanning
Checking which network services are reachable so exposure can be understood or targeted.
rogue Wi-Fi
An unauthorised or deceptive wireless network that can expose users or bypass controls.
a VPN
A protected remote connection used to access private systems or networks.