Hint: It had nothing to do with the $6,000 ransom it paid to the Armada Collective.
Category: distributed denial of service
XOR DDoS bombards as many as 20 targets per day, sometimes with 150 GBpS of traffic.
Vulnerability in open BitTorrent protocol amplified attacks as much as 120 times.
uTorrent, Mainline, and Vuze most susceptible to DoS abuse, researchers say.