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What is a DDoS attack?

Distributed Network Attacks are commonly known as Distributed Denial of Service (DDoS) attacks. These types of attacks take advantage of certain capacity limits that apply to any network resource, such as the infrastructure that provides a company's website. A DDoS attack aims to exceed the website's capacity to handle large numbers of requests and prevent it from functioning properly by sending multiple requests to the attacked web resource.

Typical targets of DDoS attacks include:

  • Internet shopping sites

  • Online casinos

  • Any business or organization that relies on providing online services

  • Facebook
  • Twitter
  • LinkedIn
  • Instagram


How does a DDoS attack work?

The number of requests that network resources such as web servers can simultaneously serve is limited. In addition to the server's capacity limit, the channel connecting the server to the internet also has a limited bandwidth/capacity. Whenever the number of requests exceeds the capacity limit of any component in the infrastructure, the service level is likely to encounter one of the following issues:

  • Responses to requests are much slower than usual.

  • Some (or all) user requests can be completely ignored.

Usually the attacker's main goal is to completely prevent the normal operation of the web resource, that is, to achieve complete "denial of service". The attacker may also ask for money in exchange for stopping the attack. In some cases, a DDoS attack may also be an attempt to damage a competitor's reputation or damage its business.

Using Botnet "zombie network" to do DDoS attack

The cybercriminal sets up a "zombie network" of computers, often from which he spreads viruses, to send an enormous number of requests to the targeted resource. criminal in the zombie webBecause  can control the actions of all infected computers, the size of the attack can overload the victim's web resources.

The state of DDoS threats today

In the mid-2000s, such criminal activities were quite common. However, the number of successful DDoS attacks is declining. This decrease in DDoS attacks is most likely due to:

  • Police investigations resulting in the arrest of criminals worldwide

Successful technical measures against DDoS attacks

Other articles and links related to Distributed Network Attacks/DDoS



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