Blitzkrieg companies with DDoS attacks exceeding 100gbps in 2014

according to Arbor Networks The latest statistics of ,2014 More than occurred in the first half of the year 100Gbps The capacity of DDoS Maximum number of attacks , Although the average size has decreased since the first quarter .

The company's active threat level analysis system (ATLAS) from 290 Multiple ISP collecting data , And discovered in the first six months of this year 111 More than 100Gbps Of DDoS event .

It also revealed , This year more than 20Gbps The number of attacks has been 2013 Annual report for the year 2,573 More than twice the number of incidents .

Arbor Express , Attack duration has also been increased —— From the first quarter average 54 Minutes to the second quarter 98 minute , exceed 10Gbps The attack of .

In terms of attack source , Korea to 15.1% leading , It has increased since the first quarter 2.6%, The United States to 14.8% The share of , It has increased since the first three months of this year 3.8%.

Next is China , Occupy DDoS The attack 6.7%, since 2014 It has grown since the first quarter of 2.8%.

It must be mentioned that , Thanks to anonymization and distribution technology , about 34% The monitored event of cannot be controlled by Arbor attribution .

However , Not all bad luck and pessimism , The scale of the attack is 2014 During the first six months of the year, it decreased .

The average attack size is down from the first quarter 47%, And the largest attack scale has decreased 101%, from 325Gbps Down to 155Gbps.

NTP Amplification attacks seem to be decreasing . They now account for all DDoS The event 6%, Less than in the first quarter 14%, Account for more than 10Gbps Of attack 34%, Less than three months ago 56%.

Arbor According to , When more than 100Gbps When you attack ,NTP Zoom in is becoming increasingly unpopular , Such events account for 49%, The share in the first quarter was 85%.

This backs up data from other sources .DDoS Defense company NSFOCUS It was reported last month that ,3 Global vulnerability in January NTP The number of servers is about 21,000 platform , And then in 5 The month fell further to 17,600 platform .

Last year 12 Found in the month 432,120 Comparison , This is a significant reduction , And in US-CERT Warning that attackers abuse vulnerable NTP Server to overwhelm the victim IT After the system .