Author Topic: Statistics on botnet-assisted DDoS attacks in Q1 2015  (Read 822 times)

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Statistics on botnet-assisted DDoS attacks in Q1 2015
« on: July 19, 2015, 09:41:00 AM »

Main findings
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In Q1 2015, 23,095 botnet-assisted DDoS attacks were reported, which is 11% lower than the 25,929 attacks in Q4 2014.

There were 12,281 unique victims of DDoS attacks in Q1 2015, which is 8% lower than the 13,312 victims in Q4 2014.

China, the USA and Canada were the countries that faced the largest number of DDoS attacks.

The most prolonged DDoS attack in Q1 2015 lasted for 140 hours (or about 6 days). The most frequently attacked resource faced 21 attacks within the 3 months.

In Q1 2015, SYN DDoS and HTTP DDoS were the most common scenarios for botnet-assisted DDoS attacks.

Geography of attacks
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In Q1 2015, 23,095 DDoS attacks were reported, targeting web resources in 76 countries. The number of attacks was down 11% against Q4 2014 (25,929). There was an increase (76 against 66 in Q4 2014) in the number of countries where DDoS targets were located.

Most DDoS attacks targeted web resources in China, the USA and Canada this was no change from Q4 2014. There were some changes in the order of the 10 most frequently attacked countries, but there were no new additions to that list.

There has been a significant decrease in the number of attacks against the web resources in China and the United States of America; however, there was an increase in the number of attacks against Canadian servers. There was also an increase in the number of attacks against web resources in Russia, South Korea and France.

In Russia, South Korea and France, the number of attacked web resources has increased compared with Q4 2014, and so did the number of attacks on all targets located in these countries. In Canada, the number of attacks has increased, but the number of targets has decreased, which suggests that cybercriminals are more actively attacking a limited number of web resources in the country.

The fact that China and the USA lead the two rankings, both in terms of numbers of DDoS attacks and in numbers of victims, is explained by the relatively low web hosting prices in these two countries that encourage many companies to use hosting providers there.