Q2 2015 was dominated by attacks launched by the same malicious group responsible for several Bitcoin extortion campaigns in 2014. DD4BC expanded its extortion and DDoS campaigns during April and May 2015. Over the course of one week, several customers received ransom emails in which the group warned they’d launch a DDoS attack of 400-500 Gbps against them.Download this report to learn more about the group and: How to prepare and protect your company from an attack. How to protect your business?”]
Source: https://www.bankinfosecurity.com/whitepapers/dd4bc-escalates-ddos-attacks-w-2184