A man in the middle (MITM) attack is a general term for when a perpetrator positions himself in a conversation between a user and an application—either to eavesdrop or to impersonate one of the parties, making it appear as if a normal exchange of information is underway.
Sniffing Attack: This attack refers to stealing or interception of data by catching network traffic using a sniffer (an application for collecting network packets).
A buffer overflow attack is a cyberattack that exploits a buffer overflow vulnerability. This happens when a program writes data to a buffer beyond its allocated memory, overwriting adjacent memory locations.
A distributed denial of service (DDoS) attack is a cyber attack that makes a system unavailable to its intended users.In a DDoS attack, threat actors force multiple systems to send requests to a web server. The goal is to crash, distract, or disrupt the server enough that users are unable to connect to it.