• It is stand for Distributed Denial-of-Service Attack.
  • In This the malicious user tries to make a Machin or network resource unavailable to user.
  • Distributed Denial-of-Service Attack, the incoming traffic flooding the victim originates from many different sources. This effectively makes it impossible to stop the attack simply by blocking a single source.
  • Distributed Denial-of-Service Attack (DDoS)attack occurs when multiple system flood the bandwidth or resources of a targeted system, usually one or more web servers.
  • it is a cybercrime in Which the hacker floods a server with Internet traffic to prevent users from accessing connected online services and sites.

How DDoS (Distributed Denial-of-Service Attack) attack works and explained ?

 Distributed Denial-of-Service Attack.
Distributed Denial-of-Service Attack

How many Types of Distributed Denial-of-Service Attack ?

There are 3 types of DDoS Attacks:

  1. Volume-based attacks :- The attacker simply sends a large volume of packets to the target thereby using up all the resources. The resources used might simply be bandwidth.
  2. Application layer attacks:- An application layer DDoS attack (sometimes referred to as layer 7 DDoS attack) is a form of DDoS attack where attackers target the application layer of the OSI model.
  3. Protocol attacks :-

DDoS attacks techniques :

  • ICMP Flood
  • UDP flood
  • Plashing
  • HTTP flood
  • Amplification Attack

DoS Attack techniques

  • Distributed DoS attack
  • Degradation-of-service attack.
  • Application layer floods
  • DDoS extortion
  • HTTP POST DoS attack
  • Internet Control Message Protocol (ICMP) flood.
  • R-U-Dead-Yet (RUDY)
  • Peer-to-peer attacks.
  • Permanent denial-of-service attacks.
  • Reflected / spoofed attack.
  • Teardrop attacks.
  • Telephony denial-of-service (TDOS).

DoS Attack tools

  • Nemesy
  • RUDY
  • GoldenEye
  • UDP flood
  • PyLoris
  • Tor’s Hammer
  • HULK, Blast
  • xerxes
  • The Low Orbit lon Cannon (LOIC)
  • HOIC
  • XOIC
  • Metasploit & more‚Ķ.

Basic Engineer

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