Smith noticed that the extortion note was similar to the note used by the Armada Collective group in June 2017. This case turned out to be harmless.
This shows evolution in DDoS extortion attacks (RDoS) when attackers move from small groups of businesses to large groups in hopes of receiving money from many victims.
'The attacker can earn thousands of dollars through public fear. Some copycat groups emerged from 2016 and 2017 like New World Hackers, Lizard Squad, LilzSec, Fancy Bear and Anonymous, 'Smith said. 'In order for a denial of service to be in need of great resources. When sending so many emails, they cannot perform the attack. '