Massive increase in DDoS attacks

Akamai has released its Q3 2015 State of the Internet Security Report, which shows that the number of DDoS attacks increased by 180% this year.

The third quarter of 2015 set a record for the number of DDoS attacks recorded on Akamai’s routed network – a total of 1,510.

Although the number of DDoS attacks increased, the percentage of attacks that targeted the application layer (Layer 7) dropped 42% quarter-on-quarter.

Mega DDoS attacks – those measuring 100Gbps or more – dropped from 12 last quarter to 8 this quarter.

Compared to Q3 2014, 100+ Gbps-sized attacks have decreased 53%.

Here are the year-on-year statistics highlighted in the Q3 2015 State of the Internet Security Report:

  • 179.66% increase in total DDoS attacks
  • 25.74% increase in application layer (Layer 7) DDoS attacks
  • 198.1% increase in infrastructure layer (Layer 3 and 4) DDoS attacks
  • 15.65% decrease in average attack duration: 18.86 vs. 22.36 hours
  • 65.58% decrease in average peak attack bandwidth
  • 88.72% decrease in average peak attack volume
  • 462.44% increase in reflection attacks
  • 52.94% decrease in attacks > 100 Gbps: 8 vs. 17

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Massive increase in DDoS attacks