#CyberFLASH: DDoS attacks on the rise – touching 500gbps

a-woman-uses-her-computer-keyboard-to-type-while-surfing-the-internet-in-north-vDDoS attacks are on the increase and getting bigger and more widespread, according to research released by Arbor Networks.

In its Worldwide Infrastructure Security Report, Arbor Networks concluded that the size of the largest DDoS attack it recorded in 2015 was 500gbps, up from 400Gbps in 2014. Other respondents to the survey reported attacks of 450, 425 and 337gbps.

The firm interviewed 354 global network operators from the US, Canada, Latin America, Europe, Middle East, Africa, Asia Pacific and Oceania.

Many respondents from enterprises and datacentres said that as a result of a DDoS attack, firewall and IPS devices had failed. Around half of datacentres suffered DDoS attacks which maxed out their entire Internet bandwidth – an increase from 33 percent last year.

DDoS attacks on DNS servers were up from 17 percent last year to 30 percent this year. But the research showed that despite the increase in this type of attack, 17 percent of service providers and 26 percent of enterprises still had no dedicated DNS security resources. 

The cloud didn’t escape the attentions of hackers: attacks on cloud-based services are up by a third over the previous year.

According to the report, the top motivation behind DDoS attacks is “criminals demonstrating attack capabilities,” with “gaming” and “criminal extortion attempts” in second and third place respectively.

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