Security News > 2021 > July > DDoS attacks are up, with ever-greater network impact

The report investigates changes in attack vector, size and frequency, and reveals a staggering 50% increase in peak attack traffic compared to 2019, with a jump to 1.18 Terabytes per Second or 887 Mega Packets Per Second.

During the same period, the average size of a DDoS attack was 19 Gbps, with an average duration of 10 minutes.

DDoS attacks are up, here are some key details Greater incidence of high intensity attacks - With an overall rise in available network capacity, cyber criminals are increasingly targeting their victims with high intensity attacks, rather than simply congesting client links.

DNS and NTP amplification attacks - These were the most common attack vectors in 2020.

Carpet bombing is on the increase - A clear trend has been seen of larger, co-ordinated attacks from multiple sources towards dynamically changing hosts within a target network.

"The rise of carpet bombing as a popular attack vector and a dramatic increase in peak attack traffic are two important reasons why organizations need to move to automatic threat mitigation techniques," said Jorg Dekker, Head of Internet Services at Telia Carrier.

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