In terms of DDoS attacks, 2019 has started with a bang! At the end of January reports surfaced of a massive DDoS attack that generated over 500 million packets per second, which was significantly larger than last year’s GitHub attack, which peaked at 129.6 million packets per second.
A UDP flood is a type of volume based DDoS (Distributed Denial of Service) attack, where large numbers of UDP (User Datagram Protocol) packets are sent to a target server, limiting its ability to carry out its functions. UDP traffic doesn’t require a three-way handshake to make a connection like TCP (Transmission Control Protocol), it runs with lower overhead and is ideal to carry data that doesn’t need to be checked and rechecked, such as VoIP. This means it is easier for attackers to generate large traffic volumes with tools like Low Orbit Ion Cannon (LOIC) and UDP Unicorn.
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