Masquerade Attack
In a masquerade attack, intruders pretend to be legitimate computer users to gain access to the network they are connected to. Hackers initiate masquerade attacks after stealing login usernames and passwords via vulnerability exploitation or bypassing authentication procedures.
Session Replay Attack
A session replay attack happens when hackers steal legitimate users’ login details through session ID theft. Also known as “playback attacks” or “replay attacks,” attackers “repeat” or “delay” data transmissions, allowing them to steal a target’s credentials so they can pretend to be him or her in network communications.
Message Modification
In message modification, attackers change packet header addresses. As such, they can send the message to a different target or alter data on a target machine to get into a network.
Denial-of-Service Attack
A denial-of-service (DoS) attack causes a network resource to become unavailable to users. Hackers initiate such an attack by overwhelming a target computer with more traffic than it can handle.
Distributed Denial-of-Service Attack
A distributed DoS (DDoS) attack directs overwhelming amounts of traffic from multiple compromised devices that make up a botnet to a target computer.