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DDoS Threat Report 2017 Q2

UDP-based (user datagram protocol) attacks increased by 15 percent this quarter, targeting hijacked devices connected to the Internet of Things (IoT).

  • UDP-based (User Datagram Protocol) attacks accounted for 77.4%, representing a 15% increase over Q1.
  • 23.68% of attacks targeted a single vector, while the rest (76.32%) were blended, multi- vector attacks.
  • More than 64% of attacks lasted less than 90 minutes; only 2.3% lasted longer than 1,200 minutes (20 hours).
  • 90% of attacks were smaller than 10Gbps (that’s large enough to knock a firewall or IPS offline, or take down networks that don’t have high-capacity, anti-DDoS mitigation).
  • About 34% of attacks originated from the People’s Republic of China (PRC), while 20.9% and 10.1% had IP sources, respectively, in the US and Switzerland.
  • Within the Asia Pacific region (APAC), about 75% of attacks originated from the PRC, 11% from Hong Kong, and 3.5% from Australian IP addresses.
2017_Q2

 

UDP Flood (User Datagram Protocol) was the most common DDoS method used in the quarter, surging 168% beyond Q4 2016’s level. Similar to SYN Flood by nature, UDP Flood is faster, simpler, and cheaper to launch through botnets, including hijacked IoT devices. It can also easily be manipulated to leverage an amplification factor to increase the attack size exponentially. The spread of IoT botnets over the past year is believed to have fueled the substantial growth of UDP-based attacks in recent quarters.

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