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Everything You Need To Know About Distributed Denial Of Service (DDOS)

Distributed Denial of Service commonly known as DDOS is considered as one of the huge attack on the servers or network of machines. Originated in early 90’s this attack made a massive impact in early 2000’s when the website giants like Yahoo, Spamhaus and CloudFlare were taken down by it. Earlier, Trinoo was one of the most popular tools for executing these kinds of attacks. These attacks were done using series of commands involving step by step execution.

In the initial days, a series of computers were infected, these infected computers were used to receive commands from a centralized location known as Botnet C&C (Command & Control). But the main drawback in these DDOS attacks was that they can be traced because all the infected computers were connected to a single Botnet C&C. But with time hackers developed new ways of attacking computers which were better and efficient.

Instead of using single host, hackers started using Internet Relay Chat. In this new and improvised way, hackers infected machines which were connected via a port & host name using Botnet Code. All they needed a single chat entry and they can easily infect thousands of computers leaving no trail behind.  In order to carry out such massive attacks, it generally requires stable and high speed bandwidths so hacker can easily infect several computers in one go. There are three different processes to carry out these DDOS attacks:

  • In this process usually the connections of users are generally saturated which prevents them from connecting them to network.
  • The second process starts by sending more packets per second that a router or host machine can handle. As the host machine is not only capable of handling such a heavy flow of packets, it becomes incapable in processing the users requests.
  • Overloading the application with excessive requests is the third process of carrying out DDOS In this the hackers give a conception that thousands of users sending requests at the same time. When they will be many requests coming at a same time the application is bound to crash.

Every year several business owners not only lose millions of dollars but also lose a good customer base because of this DDOS attacks. Nowadays there are several services available in the market which provides protective measures to the businesses which help them in combating against the DDOS attacks and safeguard the portals.

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