DDoS denial of service attacks against the Prolexic client base rose to a peak of 179 Gbps in 2013, setting a record for the year. We share the data on the biggest DDoS attacks of 2013 in this DDoS trends infographic, with a quarter-by-quarter breakdown.

1. Largest 2013 DDoS Attacks
Mitigated by Quarter
Q1 2013
Q2 2013
Start Date: 03/06/13
Start Date: 04/04/13
Peak Attack Bandwidth: 130 Gbps
Peak Attack Bandwidth:
144 million packets-per-second
Industry Vertical:
Finance, Banking, Insurance
Industry Vertical:
Finance, Banking, Insurance
Attack Duration: 14.6 days
Attack Vectors Used:
UDP, SYN and DNS floods
Q3 2013
Attack Duration: 17.5 hours
Attack Vectors Used:
UDP and SYN floods
Q4 2013
Start Date: 09/06/13
Start Date: 12/13/13
Peak Attack Bandwidth: 111 Gbps
Peak Attack Bandwidth: 179 Gbps
Industry Vertical:
Media & Entertainment
Industry Vertical:
Media & Entertainment
Attack Duration: 20.6 hours
Attack Duration: 5.4 hours
Attack Vectors Used:
DNS, UDP, UDP Fragment, GET
and SYN floods, CHARGEN
Attack Vectors Used:
UDP and SYN floods
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