Volume-based attacks include TCP floods, UDP floods, ICMP floods, and other spoofedpacket floods. Types of DDoS AttacksĭDoS attacks can be broadly categorized into three categories − It finally results in a complete blockage of a service. For example −īotnets can be used for sending more number of connection requests than a server can handle at a time.Īttackers can have computers send a victim resource huge amounts of random data to use up the target's bandwidth.ĭue to the distributed nature of these machines, they can be used to generate distributed high traffic which may be difficult to handle. Once these computers are infected, they can be controlled remotely, without their owners' knowledge, and used like an army to launch an attack against any target.Ī DDoS flood can be generated in multiple ways. What are Botnets?Īttackers build a network of hacked machines which are known as botnets, by spreading malicious piece of code through emails, websites, and social media. We are sure your normal network will not be able to handle such traffic. Unlike a Denial of Service (DoS) attack, in which one computer and one Internet connection is used to flood a targeted resource with packets, a DDoS attack uses many computers and many Internet connections, often distributed globally in what is referred to as a botnet.Ī large scale volumetric DDoS attack can generate a traffic measured in tens of Gigabits (and even hundreds of Gigabits) per second.

A Distributed Denial of Service (DDoS) attack is an attempt to make an online service or a website unavailable by overloading it with huge floods of traffic generated from multiple sources.

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