One type of volumetric attack is the DNS amplification attack. These DDoS assaults exhaust bandwidth within or between the target network/service and the internet.Įxample: Volumetric attacks happen when a server gets so much traffic that it can’t take any more. Volumetric DDoS attacks flood internal networks with malicious traffic. There are three common types of DDoS attacks.ġ. DDoS attacks work in the same way, but on the internet: they completely block the end users from reaching the website or online service because of the fraudsters’ traffic. The call center’s lines are overloaded, and the legitimate callers are unable to get assistance. The reason is that a spammer has sent thousands of calls from different phones controlled by their bots. However, they are told that all available agents are currently occupied. Someone dials the number and asks for assistance. The attacker forces these bots to send an enormous amount of internet traffic to a victim’s resource.Įxample: Let’s imagine there’s a huge call center dedicated to providing technical support. A botnet is a group of hundreds or thousands of machines that a hacker has taken control of. Most often, DDoS attacks are built around DDoS botnets. DDoS is an abbreviation of Distributed Denial-of-Service, which is a type of cybercrime in which the hacker overwhelms a server with an excessive number of requests to prevent legitimate users from accessing the website or any online services.
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