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There was a 25% decrease in the Distribution Denial of Service (DDoS) attacks in the fourth quarter of 2017 as compared to the third quarter, a new Verisign report revealed.
Verisign found that the largest volumetric and highest intensity DDoS attack observed by Verisign in the fourth quarter of 2017 was a multi-vector attack that peaked at approximately 53 Gbps and over 5 Mpps.
This attack sent a flood of traffic to the targeted network for about an hour, the company said in a statement.
A DDoS is a type of Denial of Service (DoS) attack where multiple compromised systems, which are often infected with a Trojan, are used to target a single system.
The average peak attack size was 7.6 Gbps, which is 850% increase compared to the third quarter but it is a 32% year-over-year decrease as compared to the fourth quarter 2016.
Nearly, 40% of the total attacks were over 5Gbps, the report said.
Verisign also observed that 25% of customers who experienced DDoS attacks in the fourth quarter 2017 were targeted multiple times during the quarter.
82% of DDoS attacks mitigated by Verisign in the fourth quarter employed multiple attack types.
Verisign observed attacks targeting networks at multiple layers and attack types that changed over the course of a DDoS event.
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