There is a strong growth in the average size of DDoS attacks, from both a bits-per-second and packets-per-second perspective, according to Arbor Networks’ Q2, 2015 global DDoS attack data. Average attack size for New Zealand increased significantly to 1.1Gbps/241.95Kpps in Q2 from 430.84Mbps/55.39Kpps in Q1. The majority of attacks in New Zealand were very short-lived, and approximately 97% were less than one hour. The top three sources for attacks on New Zealand in Q2 were China 6%, US 6% and NZ 1%.
See https://atlas.arbor.net for what's happening right now !