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The second variable is Speed . Measured in packets per second ( pps ), these types of attacks utilize large rates of packets .
As seen in the chart below , these types of attacks can get as large as 871 Mpps ( million packets per second ), while the vast majority are under 1 Mpps . NETSCOUT has see an upward trend in pps attacks as attackers realize that their attacks don ’ t have to be volumetric to be effective .
The 3rd variable is Vectors . A vector is a protocol the attacker exploits to launch a DDoS attack . Examples include UDP , NTP , TCP SYN , and many more . ( Note : We will talk much more about the different types of attack vectors in the next section ). When an attacker launches a DDoS attack , they will employ ( independently or simultaneously ) multiple attack vectors . According to NETSCOUT ’ s 1H 2020 Threat Intelligence Report , there has been a considerable rise in the number of 15 + vector attacks over the last 5 years , with 26 vectors being the most recorded . The last variable is Duration . Measured in minutes , hours , or days , a common misconception is that a DDoS attack is a long duration event . As seen from the chart below , some attacks can indeed last a long time ( i . e ., seven days ), but most attacks last less than an hour . p
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