Neustar Data Shows April, February and Q4 As Most Popular Periods for DDoS Attacks in 2015

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Most attacks occur in April, February, October and December; Report notes dangerous trend of multi-vector attacks

“April and February are times when most people file their taxes, so it makes sense that attacks would be heightened during that time period. The same can be said for Q4," Peter Burke, SVP of Engineering and Operations, Neustar

Neustar, Inc. (NYSE: NSR), a trusted, neutral provider of real-time information services, today released preliminary data that shows April, February, October and December as the most popular months for DDoS attacks. The report, compiled from 2015 data from Neustar’s Security Operations Center (SOC), also details the rising threat of multi-vector attacks, a weapon commonly used to plant malware and extract company information.

The Timing of the Attacks
The winter holiday season accounted for 32 percent of all attacks in 2015. Attackers took note of the opportunities presented during Cyber Monday and the holiday shopping season, and timed their assaults for maximum impact.

  •     October saw the highest number of attacks with 12.63 percent
  •     December accounted for 11.39 percent of attacks
  •     February received 10.48 percent of hits
  •     April had 9.04 percent of attacks

“It’s no surprise that hackers are launching their attacks around high-transaction months,” said Peter Burke, Senior Vice President of Engineering and Operations at Neustar.

“In February and April, you’re looking at times when most people file their taxes, so it makes sense that attacks would be heightened during that time period. In the fourth quarter, you have Cyber Monday and a high volume of companies that are dependent upon ecommerce, so it’s like low-hanging fruit for attackers,” Burke concluded.

Multi-Vector Mayhem
One of the most alarming trends noted in the findings is the rise of multi-vector attacks. Rather than just use one style of method to breach a company’s infrastructure, attackers are increasingly turning to multi-vector attacks to exhaust defenses.

“Multi-vector attacks show a higher level of sophistication on behalf of the hacker,” said Burke. “Anybody can go to a stressor website and buy a cheap DDoS service, but with multi-vector attacks, the hacker is exhibiting a familiarity with attack methods and determination to potentially cause real damage,” Burke said.

Statistics from Neustar’s Security Operations Center uncovered:

  •     47 percent of all multi-vector attacks occurred in the fourth quarter
  •     42.6 percent of multi-vector attacks were less than 1 Gbps
  •     57 percent of all multi-vector attacks involved reflection attacks

“Rather than just hit with a massive DDoS strike, multi-vector attacks are more alarming because they require dexterity, familiarity with attack methods, and they can also be used as a smokescreen to insert malware and sneak out sensitive company information,” Burke added.

In late March, Neustar will release its full Security Operations Center report, which will detail attack sizes, strategies and stories from the SOC. The report is comprised of attacks that Neustar has defended on behalf of its clients in 2015. No client names or identifying information will be provided in the report.

About Neustar
Neustar, Inc. (NYSE: NSR), is the first real-time provider of cloud-based information services, enabling marketing and IT security professionals to promote and protect their businesses. With a commitment to privacy and neutrality, Neustar operates complex data registries and uses its expertise to deliver actionable, data-driven insights that help clients make high-value business decisions in real time, one customer interaction at a time. More information is available at

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Travis Abercrombie
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