The DDoS extortion criminal group, DD4BC, has been hunted ever since the groups formation in July 2014. Europol announced that one person has been arrested and another detained as part of Operation Pleiades, a cooperative investigation that included law enforcement agencies from Austria, Bosnia and Herzegovina, Germany, the UK and the UK. The vast majority of victims do not pay the ransom and choose to wait it out or strengthen their countermeasures. The return on investment is attractive, even though the perpetrators are not likely to get rich.”]